Home / 1,871,738.20-2,807,607.30-1,672,283.80

Finding the Fourth Proportional to 1,871,738.20, 2,807,607.30 and 1,672,283.80

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Solution

The fourth proportional to 1,871,738.20, 2,807,607.30 and 1,672,283.80 is: 2,508,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,738.20 : 2,807,607.30 = 1,672,283.80 : x
  2. Step 2: Convert to fraction form
    1,871,738.20/2,807,607.30 = 1,672,283.80/x
  3. Step 3: Cross multiply
    1,871,738.20x = 2,807,607.30 × 1,672,283.80
  4. Step 4: Simplify right side
    1,871,738.20x = 4,695,116,204,551.74
  5. Step 5: Solve for x
    x = 4,695,116,204,551.74/1,871,738.20
  6. Step 6: Final answer
    x = 2,508,425.70

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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.