Home / 2,167,132.64-2,990,665.02-1,307,526.80

Finding the Fourth Proportional to 2,167,132.64, 2,990,665.02 and 1,307,526.80

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Solution

The fourth proportional to 2,167,132.64, 2,990,665.02 and 1,307,526.80 is: 1,804,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,132.64 : 2,990,665.02 = 1,307,526.80 : x
  2. Step 2: Convert to fraction form
    2,167,132.64/2,990,665.02 = 1,307,526.80/x
  3. Step 3: Cross multiply
    2,167,132.64x = 2,990,665.02 × 1,307,526.80
  4. Step 4: Simplify right side
    2,167,132.64x = 3,910,374,663,472.54
  5. Step 5: Solve for x
    x = 3,910,374,663,472.54/2,167,132.64
  6. Step 6: Final answer
    x = 1,804,400.24

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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.