Home / 4,687,190.55-7,031,060.01-1,808,572.86

Finding the Fourth Proportional to 4,687,190.55, 7,031,060.01 and 1,808,572.86

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Solution

The fourth proportional to 4,687,190.55, 7,031,060.01 and 1,808,572.86 is: 2,712,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687,190.55 : 7,031,060.01 = 1,808,572.86 : x
  2. Step 2: Convert to fraction form
    4,687,190.55/7,031,060.01 = 1,808,572.86/x
  3. Step 3: Cross multiply
    4,687,190.55x = 7,031,060.01 × 1,808,572.86
  4. Step 4: Simplify right side
    4,687,190.55x = 12,716,184,311,117.33
  5. Step 5: Solve for x
    x = 12,716,184,311,117.33/4,687,190.55
  6. Step 6: Final answer
    x = 2,712,965.09

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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.