Home / 2,713,214.60-4,070,405.10-820,147.40

Finding the Fourth Proportional to 2,713,214.60, 4,070,405.10 and 820,147.40

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Solution

The fourth proportional to 2,713,214.60, 4,070,405.10 and 820,147.40 is: 1,230,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,214.60 : 4,070,405.10 = 820,147.40 : x
  2. Step 2: Convert to fraction form
    2,713,214.60/4,070,405.10 = 820,147.40/x
  3. Step 3: Cross multiply
    2,713,214.60x = 4,070,405.10 × 820,147.40
  4. Step 4: Simplify right side
    2,713,214.60x = 3,338,332,159,711.74
  5. Step 5: Solve for x
    x = 3,338,332,159,711.74/2,713,214.60
  6. Step 6: Final answer
    x = 1,230,397.39

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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.