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Finding the Fourth Proportional to 1,967,603.93, 2,948,849.53 and 887,323.13

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Solution

The fourth proportional to 1,967,603.93, 2,948,849.53 and 887,323.13 is: 1,329,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,603.93 : 2,948,849.53 = 887,323.13 : x
  2. Step 2: Convert to fraction form
    1,967,603.93/2,948,849.53 = 887,323.13/x
  3. Step 3: Cross multiply
    1,967,603.93x = 2,948,849.53 × 887,323.13
  4. Step 4: Simplify right side
    1,967,603.93x = 2,616,582,394,858.63
  5. Step 5: Solve for x
    x = 2,616,582,394,858.63/1,967,603.93
  6. Step 6: Final answer
    x = 1,329,831.86

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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.