Home / 3,165,407.78-4,368,256.56-1,715,142.47

Finding the Fourth Proportional to 3,165,407.78, 4,368,256.56 and 1,715,142.47

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Solution

The fourth proportional to 3,165,407.78, 4,368,256.56 and 1,715,142.47 is: 2,366,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,407.78 : 4,368,256.56 = 1,715,142.47 : x
  2. Step 2: Convert to fraction form
    3,165,407.78/4,368,256.56 = 1,715,142.47/x
  3. Step 3: Cross multiply
    3,165,407.78x = 4,368,256.56 × 1,715,142.47
  4. Step 4: Simplify right side
    3,165,407.78x = 7,492,182,324,070.82
  5. Step 5: Solve for x
    x = 7,492,182,324,070.82/3,165,407.78
  6. Step 6: Final answer
    x = 2,366,893.26

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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.