Home / 2,109,610.11-2,911,275.92-1,142,740.40

Finding the Fourth Proportional to 2,109,610.11, 2,911,275.92 and 1,142,740.40

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Solution

The fourth proportional to 2,109,610.11, 2,911,275.92 and 1,142,740.40 is: 1,576,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,610.11 : 2,911,275.92 = 1,142,740.40 : x
  2. Step 2: Convert to fraction form
    2,109,610.11/2,911,275.92 = 1,142,740.40/x
  3. Step 3: Cross multiply
    2,109,610.11x = 2,911,275.92 × 1,142,740.40
  4. Step 4: Simplify right side
    2,109,610.11x = 3,326,832,597,631.64
  5. Step 5: Solve for x
    x = 3,326,832,597,631.64/2,109,610.11
  6. Step 6: Final answer
    x = 1,576,989.32

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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.