Home / 4,920,752.70-7,381,129.05-3,708,279.90

Finding the Fourth Proportional to 4,920,752.70, 7,381,129.05 and 3,708,279.90

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Solution

The fourth proportional to 4,920,752.70, 7,381,129.05 and 3,708,279.90 is: 5,562,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,752.70 : 7,381,129.05 = 3,708,279.90 : x
  2. Step 2: Convert to fraction form
    4,920,752.70/7,381,129.05 = 3,708,279.90/x
  3. Step 3: Cross multiply
    4,920,752.70x = 7,381,129.05 × 3,708,279.90
  4. Step 4: Simplify right side
    4,920,752.70x = 27,371,292,495,421.09
  5. Step 5: Solve for x
    x = 27,371,292,495,421.09/4,920,752.70
  6. Step 6: Final answer
    x = 5,562,419.85

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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.