Home / 3,138,034.80-4,707,756.36-1,008,240.24

Finding the Fourth Proportional to 3,138,034.80, 4,707,756.36 and 1,008,240.24

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Solution

The fourth proportional to 3,138,034.80, 4,707,756.36 and 1,008,240.24 is: 1,512,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,034.80 : 4,707,756.36 = 1,008,240.24 : x
  2. Step 2: Convert to fraction form
    3,138,034.80/4,707,756.36 = 1,008,240.24/x
  3. Step 3: Cross multiply
    3,138,034.80x = 4,707,756.36 × 1,008,240.24
  4. Step 4: Simplify right side
    3,138,034.80x = 4,746,549,402,267.93
  5. Step 5: Solve for x
    x = 4,746,549,402,267.93/3,138,034.80
  6. Step 6: Final answer
    x = 1,512,586.60

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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.