Home / 4,139,722.81-5,712,871.65-2,279,354.71

Finding the Fourth Proportional to 4,139,722.81, 5,712,871.65 and 2,279,354.71

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Solution

The fourth proportional to 4,139,722.81, 5,712,871.65 and 2,279,354.71 is: 3,145,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,722.81 : 5,712,871.65 = 2,279,354.71 : x
  2. Step 2: Convert to fraction form
    4,139,722.81/5,712,871.65 = 2,279,354.71/x
  3. Step 3: Cross multiply
    4,139,722.81x = 5,712,871.65 × 2,279,354.71
  4. Step 4: Simplify right side
    4,139,722.81x = 13,021,660,874,488.62
  5. Step 5: Solve for x
    x = 13,021,660,874,488.62/4,139,722.81
  6. Step 6: Final answer
    x = 3,145,539.32

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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.