Home / 2,718,547.20-4,077,691.20-921,254.40

Finding the Fourth Proportional to 2,718,547.20, 4,077,691.20 and 921,254.40

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Solution

The fourth proportional to 2,718,547.20, 4,077,691.20 and 921,254.40 is: 1,381,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,547.20 : 4,077,691.20 = 921,254.40 : x
  2. Step 2: Convert to fraction form
    2,718,547.20/4,077,691.20 = 921,254.40/x
  3. Step 3: Cross multiply
    2,718,547.20x = 4,077,691.20 × 921,254.40
  4. Step 4: Simplify right side
    2,718,547.20x = 3,756,590,959,841.28
  5. Step 5: Solve for x
    x = 3,756,590,959,841.28/2,718,547.20
  6. Step 6: Final answer
    x = 1,381,837.68

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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.