Home / 2,157,500.52-2,977,422.12-1,177,493.16

Finding the Fourth Proportional to 2,157,500.52, 2,977,422.12 and 1,177,493.16

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Solution

The fourth proportional to 2,157,500.52, 2,977,422.12 and 1,177,493.16 is: 1,624,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,500.52 : 2,977,422.12 = 1,177,493.16 : x
  2. Step 2: Convert to fraction form
    2,157,500.52/2,977,422.12 = 1,177,493.16/x
  3. Step 3: Cross multiply
    2,157,500.52x = 2,977,422.12 × 1,177,493.16
  4. Step 4: Simplify right side
    2,157,500.52x = 3,505,894,180,732.70
  5. Step 5: Solve for x
    x = 3,505,894,180,732.70/2,157,500.52
  6. Step 6: Final answer
    x = 1,624,979.53

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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.