Home / 6,402,641.60-9,600,679.20-1,914,334.40

Finding the Fourth Proportional to 6,402,641.60, 9,600,679.20 and 1,914,334.40

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Solution

The fourth proportional to 6,402,641.60, 9,600,679.20 and 1,914,334.40 is: 2,870,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,641.60 : 9,600,679.20 = 1,914,334.40 : x
  2. Step 2: Convert to fraction form
    6,402,641.60/9,600,679.20 = 1,914,334.40/x
  3. Step 3: Cross multiply
    6,402,641.60x = 9,600,679.20 × 1,914,334.40
  4. Step 4: Simplify right side
    6,402,641.60x = 18,378,910,455,924.48
  5. Step 5: Solve for x
    x = 18,378,910,455,924.48/6,402,641.60
  6. Step 6: Final answer
    x = 2,870,519.95

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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.