Home / 4,752,705.70-7,129,058.55-1,557,061.30

Finding the Fourth Proportional to 4,752,705.70, 7,129,058.55 and 1,557,061.30

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Solution

The fourth proportional to 4,752,705.70, 7,129,058.55 and 1,557,061.30 is: 2,335,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,705.70 : 7,129,058.55 = 1,557,061.30 : x
  2. Step 2: Convert to fraction form
    4,752,705.70/7,129,058.55 = 1,557,061.30/x
  3. Step 3: Cross multiply
    4,752,705.70x = 7,129,058.55 × 1,557,061.30
  4. Step 4: Simplify right side
    4,752,705.70x = 11,100,381,173,639.12
  5. Step 5: Solve for x
    x = 11,100,381,173,639.12/4,752,705.70
  6. Step 6: Final answer
    x = 2,335,591.95

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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.