Home / 1,615,256.20-2,420,162.70-1,277,000.20

Finding the Fourth Proportional to 1,615,256.20, 2,420,162.70 and 1,277,000.20

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Solution

The fourth proportional to 1,615,256.20, 2,420,162.70 and 1,277,000.20 is: 1,913,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,256.20 : 2,420,162.70 = 1,277,000.20 : x
  2. Step 2: Convert to fraction form
    1,615,256.20/2,420,162.70 = 1,277,000.20/x
  3. Step 3: Cross multiply
    1,615,256.20x = 2,420,162.70 × 1,277,000.20
  4. Step 4: Simplify right side
    1,615,256.20x = 3,090,548,251,932.54
  5. Step 5: Solve for x
    x = 3,090,548,251,932.54/1,615,256.20
  6. Step 6: Final answer
    x = 1,913,348.64

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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.