Home / 2,695,831.10-4,043,746.65-1,278,655.10

Finding the Fourth Proportional to 2,695,831.10, 4,043,746.65 and 1,278,655.10

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Solution

The fourth proportional to 2,695,831.10, 4,043,746.65 and 1,278,655.10 is: 1,917,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,831.10 : 4,043,746.65 = 1,278,655.10 : x
  2. Step 2: Convert to fraction form
    2,695,831.10/4,043,746.65 = 1,278,655.10/x
  3. Step 3: Cross multiply
    2,695,831.10x = 4,043,746.65 × 1,278,655.10
  4. Step 4: Simplify right side
    2,695,831.10x = 5,170,557,277,130.42
  5. Step 5: Solve for x
    x = 5,170,557,277,130.42/2,695,831.10
  6. Step 6: Final answer
    x = 1,917,982.65

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Similar ratio
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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.