Home / 2,575,288.40-3,859,627.80-1,438,048.40

Finding the Fourth Proportional to 2,575,288.40, 3,859,627.80 and 1,438,048.40

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Solution

The fourth proportional to 2,575,288.40, 3,859,627.80 and 1,438,048.40 is: 2,155,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,288.40 : 3,859,627.80 = 1,438,048.40 : x
  2. Step 2: Convert to fraction form
    2,575,288.40/3,859,627.80 = 1,438,048.40/x
  3. Step 3: Cross multiply
    2,575,288.40x = 3,859,627.80 × 1,438,048.40
  4. Step 4: Simplify right side
    2,575,288.40x = 5,550,331,582,385.52
  5. Step 5: Solve for x
    x = 5,550,331,582,385.52/2,575,288.40
  6. Step 6: Final answer
    x = 2,155,227.19

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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.