Home / 4,139,630.78-5,712,744.57-2,279,262.65

Finding the Fourth Proportional to 4,139,630.78, 5,712,744.57 and 2,279,262.65

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Solution

The fourth proportional to 4,139,630.78, 5,712,744.57 and 2,279,262.65 is: 3,145,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,630.78 : 5,712,744.57 = 2,279,262.65 : x
  2. Step 2: Convert to fraction form
    4,139,630.78/5,712,744.57 = 2,279,262.65/x
  3. Step 3: Cross multiply
    4,139,630.78x = 5,712,744.57 × 2,279,262.65
  4. Step 4: Simplify right side
    4,139,630.78x = 13,020,845,298,827.59
  5. Step 5: Solve for x
    x = 13,020,845,298,827.59/4,139,630.78
  6. Step 6: Final answer
    x = 3,145,412.24

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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.