Home / 3,085,148.76-4,626,967.92-1,288,047.12

Finding the Fourth Proportional to 3,085,148.76, 4,626,967.92 and 1,288,047.12

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Solution

The fourth proportional to 3,085,148.76, 4,626,967.92 and 1,288,047.12 is: 1,931,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,148.76 : 4,626,967.92 = 1,288,047.12 : x
  2. Step 2: Convert to fraction form
    3,085,148.76/4,626,967.92 = 1,288,047.12/x
  3. Step 3: Cross multiply
    3,085,148.76x = 4,626,967.92 × 1,288,047.12
  4. Step 4: Simplify right side
    3,085,148.76x = 5,959,752,703,688.39
  5. Step 5: Solve for x
    x = 5,959,752,703,688.39/3,085,148.76
  6. Step 6: Final answer
    x = 1,931,755.38

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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.