Home / 3,913,634.30-5,401,070.78-2,259,851.18

Finding the Fourth Proportional to 3,913,634.30, 5,401,070.78 and 2,259,851.18

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Solution

The fourth proportional to 3,913,634.30, 5,401,070.78 and 2,259,851.18 is: 3,118,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,634.30 : 5,401,070.78 = 2,259,851.18 : x
  2. Step 2: Convert to fraction form
    3,913,634.30/5,401,070.78 = 2,259,851.18/x
  3. Step 3: Cross multiply
    3,913,634.30x = 5,401,070.78 × 2,259,851.18
  4. Step 4: Simplify right side
    3,913,634.30x = 12,205,616,137,141.91
  5. Step 5: Solve for x
    x = 12,205,616,137,141.91/3,913,634.30
  6. Step 6: Final answer
    x = 3,118,742.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.