Home / 2,085,387.60-3,128,081.40-739,070.40

Finding the Fourth Proportional to 2,085,387.60, 3,128,081.40 and 739,070.40

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Solution

The fourth proportional to 2,085,387.60, 3,128,081.40 and 739,070.40 is: 1,108,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,387.60 : 3,128,081.40 = 739,070.40 : x
  2. Step 2: Convert to fraction form
    2,085,387.60/3,128,081.40 = 739,070.40/x
  3. Step 3: Cross multiply
    2,085,387.60x = 3,128,081.40 × 739,070.40
  4. Step 4: Simplify right side
    2,085,387.60x = 2,311,872,371,530.56
  5. Step 5: Solve for x
    x = 2,311,872,371,530.56/2,085,387.60
  6. Step 6: Final answer
    x = 1,108,605.60

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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.