Home / 4,669,658.40-7,002,154.80-2,142,458.40

Finding the Fourth Proportional to 4,669,658.40, 7,002,154.80 and 2,142,458.40

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Solution

The fourth proportional to 4,669,658.40, 7,002,154.80 and 2,142,458.40 is: 3,212,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669,658.40 : 7,002,154.80 = 2,142,458.40 : x
  2. Step 2: Convert to fraction form
    4,669,658.40/7,002,154.80 = 2,142,458.40/x
  3. Step 3: Cross multiply
    4,669,658.40x = 7,002,154.80 × 2,142,458.40
  4. Step 4: Simplify right side
    4,669,658.40x = 15,001,825,369,360.32
  5. Step 5: Solve for x
    x = 15,001,825,369,360.32/4,669,658.40
  6. Step 6: Final answer
    x = 3,212,617.30

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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.