Home / 6,210,003.80-9,315,005.70-5,217,980.60

Finding the Fourth Proportional to 6,210,003.80, 9,315,005.70 and 5,217,980.60

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Solution

The fourth proportional to 6,210,003.80, 9,315,005.70 and 5,217,980.60 is: 7,826,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210,003.80 : 9,315,005.70 = 5,217,980.60 : x
  2. Step 2: Convert to fraction form
    6,210,003.80/9,315,005.70 = 5,217,980.60/x
  3. Step 3: Cross multiply
    6,210,003.80x = 9,315,005.70 × 5,217,980.60
  4. Step 4: Simplify right side
    6,210,003.80x = 48,605,519,031,489.41
  5. Step 5: Solve for x
    x = 48,605,519,031,489.41/6,210,003.80
  6. Step 6: Final answer
    x = 7,826,970.90

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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.