Home / 7,003,961.28-10,506,263.90-2,145,919.86

Finding the Fourth Proportional to 7,003,961.28, 10,506,263.90 and 2,145,919.86

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Solution

The fourth proportional to 7,003,961.28, 10,506,263.90 and 2,145,919.86 is: 3,218,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,961.28 : 10,506,263.90 = 2,145,919.86 : x
  2. Step 2: Convert to fraction form
    7,003,961.28/10,506,263.90 = 2,145,919.86/x
  3. Step 3: Cross multiply
    7,003,961.28x = 10,506,263.90 × 2,145,919.86
  4. Step 4: Simplify right side
    7,003,961.28x = 22,545,600,346,681.45
  5. Step 5: Solve for x
    x = 22,545,600,346,681.45/7,003,961.28
  6. Step 6: Final answer
    x = 3,218,978.44

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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.