Home / 5,415,817.28-8,124,243.48-1,525,264.68

Finding the Fourth Proportional to 5,415,817.28, 8,124,243.48 and 1,525,264.68

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Solution

The fourth proportional to 5,415,817.28, 8,124,243.48 and 1,525,264.68 is: 2,288,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,817.28 : 8,124,243.48 = 1,525,264.68 : x
  2. Step 2: Convert to fraction form
    5,415,817.28/8,124,243.48 = 1,525,264.68/x
  3. Step 3: Cross multiply
    5,415,817.28x = 8,124,243.48 × 1,525,264.68
  4. Step 4: Simplify right side
    5,415,817.28x = 12,391,621,631,764.29
  5. Step 5: Solve for x
    x = 12,391,621,631,764.29/5,415,817.28
  6. Step 6: Final answer
    x = 2,288,042.78

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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.