Home / 4,785,758.40-7,178,637.60-1,419,965.40

Finding the Fourth Proportional to 4,785,758.40, 7,178,637.60 and 1,419,965.40

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Solution

The fourth proportional to 4,785,758.40, 7,178,637.60 and 1,419,965.40 is: 2,129,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,758.40 : 7,178,637.60 = 1,419,965.40 : x
  2. Step 2: Convert to fraction form
    4,785,758.40/7,178,637.60 = 1,419,965.40/x
  3. Step 3: Cross multiply
    4,785,758.40x = 7,178,637.60 × 1,419,965.40
  4. Step 4: Simplify right side
    4,785,758.40x = 10,193,417,011,139.04
  5. Step 5: Solve for x
    x = 10,193,417,011,139.04/4,785,758.40
  6. Step 6: Final answer
    x = 2,129,948.10

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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.