Home / 2,672,622.29-3,691,263.47-1,811,687.87

Finding the Fourth Proportional to 2,672,622.29, 3,691,263.47 and 1,811,687.87

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Solution

The fourth proportional to 2,672,622.29, 3,691,263.47 and 1,811,687.87 is: 2,502,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,622.29 : 3,691,263.47 = 1,811,687.87 : x
  2. Step 2: Convert to fraction form
    2,672,622.29/3,691,263.47 = 1,811,687.87/x
  3. Step 3: Cross multiply
    2,672,622.29x = 3,691,263.47 × 1,811,687.87
  4. Step 4: Simplify right side
    2,672,622.29x = 6,687,417,226,058.35
  5. Step 5: Solve for x
    x = 6,687,417,226,058.35/2,672,622.29
  6. Step 6: Final answer
    x = 2,502,193.17

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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.