Home / 3,387,505.78-4,674,762.45-1,838,766.43

Finding the Fourth Proportional to 3,387,505.78, 4,674,762.45 and 1,838,766.43

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Solution

The fourth proportional to 3,387,505.78, 4,674,762.45 and 1,838,766.43 is: 2,537,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,505.78 : 4,674,762.45 = 1,838,766.43 : x
  2. Step 2: Convert to fraction form
    3,387,505.78/4,674,762.45 = 1,838,766.43/x
  3. Step 3: Cross multiply
    3,387,505.78x = 4,674,762.45 × 1,838,766.43
  4. Step 4: Simplify right side
    3,387,505.78x = 8,595,796,228,716.91
  5. Step 5: Solve for x
    x = 8,595,796,228,716.91/3,387,505.78
  6. Step 6: Final answer
    x = 2,537,500.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.