Home / 4,752,641.58-7,129,849.86-2,159,128.45

Finding the Fourth Proportional to 4,752,641.58, 7,129,849.86 and 2,159,128.45

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Solution

The fourth proportional to 4,752,641.58, 7,129,849.86 and 2,159,128.45 is: 3,239,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,641.58 : 7,129,849.86 = 2,159,128.45 : x
  2. Step 2: Convert to fraction form
    4,752,641.58/7,129,849.86 = 2,159,128.45/x
  3. Step 3: Cross multiply
    4,752,641.58x = 7,129,849.86 × 2,159,128.45
  4. Step 4: Simplify right side
    4,752,641.58x = 15,394,261,676,954.52
  5. Step 5: Solve for x
    x = 15,394,261,676,954.52/4,752,641.58
  6. Step 6: Final answer
    x = 3,239,095.86

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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.