Home / 1,811,962.05-2,712,028.82-1,332,062.72

Finding the Fourth Proportional to 1,811,962.05, 2,712,028.82 and 1,332,062.72

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Solution

The fourth proportional to 1,811,962.05, 2,712,028.82 and 1,332,062.72 is: 1,993,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,962.05 : 2,712,028.82 = 1,332,062.72 : x
  2. Step 2: Convert to fraction form
    1,811,962.05/2,712,028.82 = 1,332,062.72/x
  3. Step 3: Cross multiply
    1,811,962.05x = 2,712,028.82 × 1,332,062.72
  4. Step 4: Simplify right side
    1,811,962.05x = 3,612,592,466,467.13
  5. Step 5: Solve for x
    x = 3,612,592,466,467.13/1,811,962.05
  6. Step 6: Final answer
    x = 1,993,746.21

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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.