Home / 2,587,761.72-3,571,125.80-1,500,678.74

Finding the Fourth Proportional to 2,587,761.72, 3,571,125.80 and 1,500,678.74

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Solution

The fourth proportional to 2,587,761.72, 3,571,125.80 and 1,500,678.74 is: 2,070,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,761.72 : 3,571,125.80 = 1,500,678.74 : x
  2. Step 2: Convert to fraction form
    2,587,761.72/3,571,125.80 = 1,500,678.74/x
  3. Step 3: Cross multiply
    2,587,761.72x = 3,571,125.80 × 1,500,678.74
  4. Step 4: Simplify right side
    2,587,761.72x = 5,359,112,565,925.49
  5. Step 5: Solve for x
    x = 5,359,112,565,925.49/2,587,761.72
  6. Step 6: Final answer
    x = 2,070,945.14

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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.