Home / 2,125,032.72-2,932,459.74-1,158,142.32

Finding the Fourth Proportional to 2,125,032.72, 2,932,459.74 and 1,158,142.32

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Solution

The fourth proportional to 2,125,032.72, 2,932,459.74 and 1,158,142.32 is: 1,598,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,032.72 : 2,932,459.74 = 1,158,142.32 : x
  2. Step 2: Convert to fraction form
    2,125,032.72/2,932,459.74 = 1,158,142.32/x
  3. Step 3: Cross multiply
    2,125,032.72x = 2,932,459.74 × 1,158,142.32
  4. Step 4: Simplify right side
    2,125,032.72x = 3,396,205,726,590.20
  5. Step 5: Solve for x
    x = 3,396,205,726,590.20/2,125,032.72
  6. Step 6: Final answer
    x = 1,598,189.85

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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.