Home / 2,718,549.20-4,077,694.20-921,256.40

Finding the Fourth Proportional to 2,718,549.20, 4,077,694.20 and 921,256.40

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Solution

The fourth proportional to 2,718,549.20, 4,077,694.20 and 921,256.40 is: 1,381,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,549.20 : 4,077,694.20 = 921,256.40 : x
  2. Step 2: Convert to fraction form
    2,718,549.20/4,077,694.20 = 921,256.40/x
  3. Step 3: Cross multiply
    2,718,549.20x = 4,077,694.20 × 921,256.40
  4. Step 4: Simplify right side
    2,718,549.20x = 3,756,601,878,992.88
  5. Step 5: Solve for x
    x = 3,756,601,878,992.88/2,718,549.20
  6. Step 6: Final answer
    x = 1,381,840.68

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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.