Home / 3,280,140.60-4,920,210.90-883,980.60

Finding the Fourth Proportional to 3,280,140.60, 4,920,210.90 and 883,980.60

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Solution

The fourth proportional to 3,280,140.60, 4,920,210.90 and 883,980.60 is: 1,325,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,140.60 : 4,920,210.90 = 883,980.60 : x
  2. Step 2: Convert to fraction form
    3,280,140.60/4,920,210.90 = 883,980.60/x
  3. Step 3: Cross multiply
    3,280,140.60x = 4,920,210.90 × 883,980.60
  4. Step 4: Simplify right side
    3,280,140.60x = 4,349,370,983,508.54
  5. Step 5: Solve for x
    x = 4,349,370,983,508.54/3,280,140.60
  6. Step 6: Final answer
    x = 1,325,970.90

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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.