Home / 1,845,344.70-2,768,017.05-1,278,474.30

Finding the Fourth Proportional to 1,845,344.70, 2,768,017.05 and 1,278,474.30

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Solution

The fourth proportional to 1,845,344.70, 2,768,017.05 and 1,278,474.30 is: 1,917,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,344.70 : 2,768,017.05 = 1,278,474.30 : x
  2. Step 2: Convert to fraction form
    1,845,344.70/2,768,017.05 = 1,278,474.30/x
  3. Step 3: Cross multiply
    1,845,344.70x = 2,768,017.05 × 1,278,474.30
  4. Step 4: Simplify right side
    1,845,344.70x = 3,538,838,660,386.82
  5. Step 5: Solve for x
    x = 3,538,838,660,386.82/1,845,344.70
  6. Step 6: Final answer
    x = 1,917,711.45

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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.