Home / 6,834,945.60-10,251,640.80-1,786,766.40

Finding the Fourth Proportional to 6,834,945.60, 10,251,640.80 and 1,786,766.40

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Solution

The fourth proportional to 6,834,945.60, 10,251,640.80 and 1,786,766.40 is: 2,679,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834,945.60 : 10,251,640.80 = 1,786,766.40 : x
  2. Step 2: Convert to fraction form
    6,834,945.60/10,251,640.80 = 1,786,766.40/x
  3. Step 3: Cross multiply
    6,834,945.60x = 10,251,640.80 × 1,786,766.40
  4. Step 4: Simplify right side
    6,834,945.60x = 18,317,287,326,309.12
  5. Step 5: Solve for x
    x = 18,317,287,326,309.12/6,834,945.60
  6. Step 6: Final answer
    x = 2,679,946.32

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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.