Home / 6,439,809.20-9,659,713.80-5,953,204.40

Finding the Fourth Proportional to 6,439,809.20, 9,659,713.80 and 5,953,204.40

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Solution

The fourth proportional to 6,439,809.20, 9,659,713.80 and 5,953,204.40 is: 8,929,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,809.20 : 9,659,713.80 = 5,953,204.40 : x
  2. Step 2: Convert to fraction form
    6,439,809.20/9,659,713.80 = 5,953,204.40/x
  3. Step 3: Cross multiply
    6,439,809.20x = 9,659,713.80 × 5,953,204.40
  4. Step 4: Simplify right side
    6,439,809.20x = 57,506,250,696,900.73
  5. Step 5: Solve for x
    x = 57,506,250,696,900.73/6,439,809.20
  6. Step 6: Final answer
    x = 8,929,806.60

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1.5x scale

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.