Home / 1,551,885.50-2,140,388.74-1,008,196.46

Finding the Fourth Proportional to 1,551,885.50, 2,140,388.74 and 1,008,196.46

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Solution

The fourth proportional to 1,551,885.50, 2,140,388.74 and 1,008,196.46 is: 1,390,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,885.50 : 2,140,388.74 = 1,008,196.46 : x
  2. Step 2: Convert to fraction form
    1,551,885.50/2,140,388.74 = 1,008,196.46/x
  3. Step 3: Cross multiply
    1,551,885.50x = 2,140,388.74 × 1,008,196.46
  4. Step 4: Simplify right side
    1,551,885.50x = 2,157,932,350,691.86
  5. Step 5: Solve for x
    x = 2,157,932,350,691.86/1,551,885.50
  6. Step 6: Final answer
    x = 1,390,522.92

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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.