Home / 5,129,621.76-7,079,002.56-2,837,827.20

Finding the Fourth Proportional to 5,129,621.76, 7,079,002.56 and 2,837,827.20

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Solution

The fourth proportional to 5,129,621.76, 7,079,002.56 and 2,837,827.20 is: 3,916,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,621.76 : 7,079,002.56 = 2,837,827.20 : x
  2. Step 2: Convert to fraction form
    5,129,621.76/7,079,002.56 = 2,837,827.20/x
  3. Step 3: Cross multiply
    5,129,621.76x = 7,079,002.56 × 2,837,827.20
  4. Step 4: Simplify right side
    5,129,621.76x = 20,088,986,013,637.63
  5. Step 5: Solve for x
    x = 20,088,986,013,637.63/5,129,621.76
  6. Step 6: Final answer
    x = 3,916,270.43

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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.