Home / 2,488,329.60-3,732,494.40-1,990,665.60

Finding the Fourth Proportional to 2,488,329.60, 3,732,494.40 and 1,990,665.60

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Solution

The fourth proportional to 2,488,329.60, 3,732,494.40 and 1,990,665.60 is: 2,985,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,329.60 : 3,732,494.40 = 1,990,665.60 : x
  2. Step 2: Convert to fraction form
    2,488,329.60/3,732,494.40 = 1,990,665.60/x
  3. Step 3: Cross multiply
    2,488,329.60x = 3,732,494.40 × 1,990,665.60
  4. Step 4: Simplify right side
    2,488,329.60x = 7,430,148,204,272.64
  5. Step 5: Solve for x
    x = 7,430,148,204,272.64/2,488,329.60
  6. Step 6: Final answer
    x = 2,985,998.40

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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.