Home / 2,739,432.15-3,780,527.78-1,515,717.77

Finding the Fourth Proportional to 2,739,432.15, 3,780,527.78 and 1,515,717.77

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Solution

The fourth proportional to 2,739,432.15, 3,780,527.78 and 1,515,717.77 is: 2,091,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,432.15 : 3,780,527.78 = 1,515,717.77 : x
  2. Step 2: Convert to fraction form
    2,739,432.15/3,780,527.78 = 1,515,717.77/x
  3. Step 3: Cross multiply
    2,739,432.15x = 3,780,527.78 × 1,515,717.77
  4. Step 4: Simplify right side
    2,739,432.15x = 5,730,213,121,011.31
  5. Step 5: Solve for x
    x = 5,730,213,121,011.31/2,739,432.15
  6. Step 6: Final answer
    x = 2,091,752.16

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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.