Home / 2,488,407.60-3,732,611.40-1,692,145.20

Finding the Fourth Proportional to 2,488,407.60, 3,732,611.40 and 1,692,145.20

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Solution

The fourth proportional to 2,488,407.60, 3,732,611.40 and 1,692,145.20 is: 2,538,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,407.60 : 3,732,611.40 = 1,692,145.20 : x
  2. Step 2: Convert to fraction form
    2,488,407.60/3,732,611.40 = 1,692,145.20/x
  3. Step 3: Cross multiply
    2,488,407.60x = 3,732,611.40 × 1,692,145.20
  4. Step 4: Simplify right side
    2,488,407.60x = 6,316,120,463,975.28
  5. Step 5: Solve for x
    x = 6,316,120,463,975.28/2,488,407.60
  6. Step 6: Final answer
    x = 2,538,217.80

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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.