Home / 2,488,618.40-3,729,855.60-1,689,898.40

Finding the Fourth Proportional to 2,488,618.40, 3,729,855.60 and 1,689,898.40

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Solution

The fourth proportional to 2,488,618.40, 3,729,855.60 and 1,689,898.40 is: 2,532,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,618.40 : 3,729,855.60 = 1,689,898.40 : x
  2. Step 2: Convert to fraction form
    2,488,618.40/3,729,855.60 = 1,689,898.40/x
  3. Step 3: Cross multiply
    2,488,618.40x = 3,729,855.60 × 1,689,898.40
  4. Step 4: Simplify right side
    2,488,618.40x = 6,303,077,010,671.04
  5. Step 5: Solve for x
    x = 6,303,077,010,671.04/2,488,618.40
  6. Step 6: Final answer
    x = 2,532,761.56

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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.