Home / 2,752,040.80-4,128,061.20-1,912,232.80

Finding the Fourth Proportional to 2,752,040.80, 4,128,061.20 and 1,912,232.80

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Solution

The fourth proportional to 2,752,040.80, 4,128,061.20 and 1,912,232.80 is: 2,868,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,040.80 : 4,128,061.20 = 1,912,232.80 : x
  2. Step 2: Convert to fraction form
    2,752,040.80/4,128,061.20 = 1,912,232.80/x
  3. Step 3: Cross multiply
    2,752,040.80x = 4,128,061.20 × 1,912,232.80
  4. Step 4: Simplify right side
    2,752,040.80x = 7,893,814,027,047.36
  5. Step 5: Solve for x
    x = 7,893,814,027,047.36/2,752,040.80
  6. Step 6: Final answer
    x = 2,868,349.20

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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.