Home / 2,158,580.12-3,237,575.22-642,497.04

Finding the Fourth Proportional to 2,158,580.12, 3,237,575.22 and 642,497.04

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Solution

The fourth proportional to 2,158,580.12, 3,237,575.22 and 642,497.04 is: 963,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,580.12 : 3,237,575.22 = 642,497.04 : x
  2. Step 2: Convert to fraction form
    2,158,580.12/3,237,575.22 = 642,497.04/x
  3. Step 3: Cross multiply
    2,158,580.12x = 3,237,575.22 × 642,497.04
  4. Step 4: Simplify right side
    2,158,580.12x = 2,080,132,495,627.35
  5. Step 5: Solve for x
    x = 2,080,132,495,627.35/2,158,580.12
  6. Step 6: Final answer
    x = 963,657.77

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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.