Home / 5,127,986.56-7,692,137.28-1,762,145.92

Finding the Fourth Proportional to 5,127,986.56, 7,692,137.28 and 1,762,145.92

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Solution

The fourth proportional to 5,127,986.56, 7,692,137.28 and 1,762,145.92 is: 2,643,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,986.56 : 7,692,137.28 = 1,762,145.92 : x
  2. Step 2: Convert to fraction form
    5,127,986.56/7,692,137.28 = 1,762,145.92/x
  3. Step 3: Cross multiply
    5,127,986.56x = 7,692,137.28 × 1,762,145.92
  4. Step 4: Simplify right side
    5,127,986.56x = 13,554,668,324,031.90
  5. Step 5: Solve for x
    x = 13,554,668,324,031.90/5,127,986.56
  6. Step 6: Final answer
    x = 2,643,272.98

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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.