Home / 2,977,391.52-4,465,416.60-847,428.48

Finding the Fourth Proportional to 2,977,391.52, 4,465,416.60 and 847,428.48

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Solution

The fourth proportional to 2,977,391.52, 4,465,416.60 and 847,428.48 is: 1,270,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,391.52 : 4,465,416.60 = 847,428.48 : x
  2. Step 2: Convert to fraction form
    2,977,391.52/4,465,416.60 = 847,428.48/x
  3. Step 3: Cross multiply
    2,977,391.52x = 4,465,416.60 × 847,428.48
  4. Step 4: Simplify right side
    2,977,391.52x = 3,784,121,201,904.77
  5. Step 5: Solve for x
    x = 3,784,121,201,904.77/2,977,391.52
  6. Step 6: Final answer
    x = 1,270,951.83

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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.