Home / 2,818,743.80-4,229,715.03-1,521,878.79

Finding the Fourth Proportional to 2,818,743.80, 4,229,715.03 and 1,521,878.79

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Solution

The fourth proportional to 2,818,743.80, 4,229,715.03 and 1,521,878.79 is: 2,283,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,743.80 : 4,229,715.03 = 1,521,878.79 : x
  2. Step 2: Convert to fraction form
    2,818,743.80/4,229,715.03 = 1,521,878.79/x
  3. Step 3: Cross multiply
    2,818,743.80x = 4,229,715.03 × 1,521,878.79
  4. Step 4: Simplify right side
    2,818,743.80x = 6,437,113,591,901.21
  5. Step 5: Solve for x
    x = 6,437,113,591,901.21/2,818,743.80
  6. Step 6: Final answer
    x = 2,283,681.69

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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.