Home / 3,340,565.12-5,011,583.16-1,421,373.80

Finding the Fourth Proportional to 3,340,565.12, 5,011,583.16 and 1,421,373.80

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Solution

The fourth proportional to 3,340,565.12, 5,011,583.16 and 1,421,373.80 is: 2,132,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340,565.12 : 5,011,583.16 = 1,421,373.80 : x
  2. Step 2: Convert to fraction form
    3,340,565.12/5,011,583.16 = 1,421,373.80/x
  3. Step 3: Cross multiply
    3,340,565.12x = 5,011,583.16 × 1,421,373.80
  4. Step 4: Simplify right side
    3,340,565.12x = 7,123,333,000,145.21
  5. Step 5: Solve for x
    x = 7,123,333,000,145.21/3,340,565.12
  6. Step 6: Final answer
    x = 2,132,373.64

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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.