Home / 2,090,420.10-3,135,630.15-670,619.70

Finding the Fourth Proportional to 2,090,420.10, 3,135,630.15 and 670,619.70

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Solution

The fourth proportional to 2,090,420.10, 3,135,630.15 and 670,619.70 is: 1,005,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,420.10 : 3,135,630.15 = 670,619.70 : x
  2. Step 2: Convert to fraction form
    2,090,420.10/3,135,630.15 = 670,619.70/x
  3. Step 3: Cross multiply
    2,090,420.10x = 3,135,630.15 × 670,619.70
  4. Step 4: Simplify right side
    2,090,420.10x = 2,102,815,350,503.95
  5. Step 5: Solve for x
    x = 2,102,815,350,503.95/2,090,420.10
  6. Step 6: Final answer
    x = 1,005,929.55

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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.