Home / 2,272,303.10-3,135,002.46-1,292,144.78

Finding the Fourth Proportional to 2,272,303.10, 3,135,002.46 and 1,292,144.78

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Solution

The fourth proportional to 2,272,303.10, 3,135,002.46 and 1,292,144.78 is: 1,782,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272,303.10 : 3,135,002.46 = 1,292,144.78 : x
  2. Step 2: Convert to fraction form
    2,272,303.10/3,135,002.46 = 1,292,144.78/x
  3. Step 3: Cross multiply
    2,272,303.10x = 3,135,002.46 × 1,292,144.78
  4. Step 4: Simplify right side
    2,272,303.10x = 4,050,877,063,976.16
  5. Step 5: Solve for x
    x = 4,050,877,063,976.16/2,272,303.10
  6. Step 6: Final answer
    x = 1,782,718.63

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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.