Home / 1,995,996.78-2,754,477.09-1,078,225.74

Finding the Fourth Proportional to 1,995,996.78, 2,754,477.09 and 1,078,225.74

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Solution

The fourth proportional to 1,995,996.78, 2,754,477.09 and 1,078,225.74 is: 1,487,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,996.78 : 2,754,477.09 = 1,078,225.74 : x
  2. Step 2: Convert to fraction form
    1,995,996.78/2,754,477.09 = 1,078,225.74/x
  3. Step 3: Cross multiply
    1,995,996.78x = 2,754,477.09 × 1,078,225.74
  4. Step 4: Simplify right side
    1,995,996.78x = 2,969,948,098,678.30
  5. Step 5: Solve for x
    x = 2,969,948,098,678.30/1,995,996.78
  6. Step 6: Final answer
    x = 1,487,952.35

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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.