Home / 6,402,712.60-9,600,785.70-1,914,405.40

Finding the Fourth Proportional to 6,402,712.60, 9,600,785.70 and 1,914,405.40

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Solution

The fourth proportional to 6,402,712.60, 9,600,785.70 and 1,914,405.40 is: 2,870,626.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,712.60 : 9,600,785.70 = 1,914,405.40 : x
  2. Step 2: Convert to fraction form
    6,402,712.60/9,600,785.70 = 1,914,405.40/x
  3. Step 3: Cross multiply
    6,402,712.60x = 9,600,785.70 × 1,914,405.40
  4. Step 4: Simplify right side
    6,402,712.60x = 18,379,795,988,322.78
  5. Step 5: Solve for x
    x = 18,379,795,988,322.78/6,402,712.60
  6. Step 6: Final answer
    x = 2,870,626.43

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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.