Home / 2,713,220.60-4,070,414.10-820,153.40

Finding the Fourth Proportional to 2,713,220.60, 4,070,414.10 and 820,153.40

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Solution

The fourth proportional to 2,713,220.60, 4,070,414.10 and 820,153.40 is: 1,230,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,220.60 : 4,070,414.10 = 820,153.40 : x
  2. Step 2: Convert to fraction form
    2,713,220.60/4,070,414.10 = 820,153.40/x
  3. Step 3: Cross multiply
    2,713,220.60x = 4,070,414.10 × 820,153.40
  4. Step 4: Simplify right side
    2,713,220.60x = 3,338,363,963,522.94
  5. Step 5: Solve for x
    x = 3,338,363,963,522.94/2,713,220.60
  6. Step 6: Final answer
    x = 1,230,406.39

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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.