Home / 2,877,861.89-3,971,462.11-1,588,712.87

Finding the Fourth Proportional to 2,877,861.89, 3,971,462.11 and 1,588,712.87

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Solution

The fourth proportional to 2,877,861.89, 3,971,462.11 and 1,588,712.87 is: 2,192,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,861.89 : 3,971,462.11 = 1,588,712.87 : x
  2. Step 2: Convert to fraction form
    2,877,861.89/3,971,462.11 = 1,588,712.87/x
  3. Step 3: Cross multiply
    2,877,861.89x = 3,971,462.11 × 1,588,712.87
  4. Step 4: Simplify right side
    2,877,861.89x = 6,309,512,972,831.23
  5. Step 5: Solve for x
    x = 6,309,512,972,831.23/2,877,861.89
  6. Step 6: Final answer
    x = 2,192,430.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.