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Finding the Fourth Proportional to 1,775,464, 2,450,148.96 and 970,648

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Solution

The fourth proportional to 1,775,464, 2,450,148.96 and 970,648 is: 1,339,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,464 : 2,450,148.96 = 970,648 : x
  2. Step 2: Convert to fraction form
    1,775,464/2,450,148.96 = 970,648/x
  3. Step 3: Cross multiply
    1,775,464x = 2,450,148.96 × 970,648
  4. Step 4: Simplify right side
    1,775,464x = 2,378,232,187,726.08
  5. Step 5: Solve for x
    x = 2,378,232,187,726.08/1,775,464
  6. Step 6: Final answer
    x = 1,339,498.96

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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.