Home / 2,578,684.72-3,554,889.24-1,812,359.92

Finding the Fourth Proportional to 2,578,684.72, 3,554,889.24 and 1,812,359.92

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Solution

The fourth proportional to 2,578,684.72, 3,554,889.24 and 1,812,359.92 is: 2,498,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,684.72 : 3,554,889.24 = 1,812,359.92 : x
  2. Step 2: Convert to fraction form
    2,578,684.72/3,554,889.24 = 1,812,359.92/x
  3. Step 3: Cross multiply
    2,578,684.72x = 3,554,889.24 × 1,812,359.92
  4. Step 4: Simplify right side
    2,578,684.72x = 6,442,738,778,615.26
  5. Step 5: Solve for x
    x = 6,442,738,778,615.26/2,578,684.72
  6. Step 6: Final answer
    x = 2,498,459.28

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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.