Home / 3,931,603.30-5,423,531.57-2,705,780.62

Finding the Fourth Proportional to 3,931,603.30, 5,423,531.57 and 2,705,780.62

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Solution

The fourth proportional to 3,931,603.30, 5,423,531.57 and 2,705,780.62 is: 3,732,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,603.30 : 5,423,531.57 = 2,705,780.62 : x
  2. Step 2: Convert to fraction form
    3,931,603.30/5,423,531.57 = 2,705,780.62/x
  3. Step 3: Cross multiply
    3,931,603.30x = 5,423,531.57 × 2,705,780.62
  4. Step 4: Simplify right side
    3,931,603.30x = 14,674,886,600,535.27
  5. Step 5: Solve for x
    x = 14,674,886,600,535.27/3,931,603.30
  6. Step 6: Final answer
    x = 3,732,545.09

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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.