Home / 3,405,149.28-4,699,279.80-1,877,252.76

Finding the Fourth Proportional to 3,405,149.28, 4,699,279.80 and 1,877,252.76

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Solution

The fourth proportional to 3,405,149.28, 4,699,279.80 and 1,877,252.76 is: 2,590,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,149.28 : 4,699,279.80 = 1,877,252.76 : x
  2. Step 2: Convert to fraction form
    3,405,149.28/4,699,279.80 = 1,877,252.76/x
  3. Step 3: Cross multiply
    3,405,149.28x = 4,699,279.80 × 1,877,252.76
  4. Step 4: Simplify right side
    3,405,149.28x = 8,821,735,974,562.25
  5. Step 5: Solve for x
    x = 8,821,735,974,562.25/3,405,149.28
  6. Step 6: Final answer
    x = 2,590,704.62

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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.