Home / 6,646,280.32-9,969,420.48-2,097,683.20

Finding the Fourth Proportional to 6,646,280.32, 9,969,420.48 and 2,097,683.20

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Solution

The fourth proportional to 6,646,280.32, 9,969,420.48 and 2,097,683.20 is: 3,146,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,280.32 : 9,969,420.48 = 2,097,683.20 : x
  2. Step 2: Convert to fraction form
    6,646,280.32/9,969,420.48 = 2,097,683.20/x
  3. Step 3: Cross multiply
    6,646,280.32x = 9,969,420.48 × 2,097,683.20
  4. Step 4: Simplify right side
    6,646,280.32x = 20,912,685,854,631.94
  5. Step 5: Solve for x
    x = 20,912,685,854,631.94/6,646,280.32
  6. Step 6: Final answer
    x = 3,146,524.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.