Home / 2,488,298.40-3,732,447.60-1,990,634.40

Finding the Fourth Proportional to 2,488,298.40, 3,732,447.60 and 1,990,634.40

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Solution

The fourth proportional to 2,488,298.40, 3,732,447.60 and 1,990,634.40 is: 2,985,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,298.40 : 3,732,447.60 = 1,990,634.40 : x
  2. Step 2: Convert to fraction form
    2,488,298.40/3,732,447.60 = 1,990,634.40/x
  3. Step 3: Cross multiply
    2,488,298.40x = 3,732,447.60 × 1,990,634.40
  4. Step 4: Simplify right side
    2,488,298.40x = 7,429,938,588,757.44
  5. Step 5: Solve for x
    x = 7,429,938,588,757.44/2,488,298.40
  6. Step 6: Final answer
    x = 2,985,951.60

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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.