Home / 2,859,813.42-4,290,311.02-838,123.50

Finding the Fourth Proportional to 2,859,813.42, 4,290,311.02 and 838,123.50

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Solution

The fourth proportional to 2,859,813.42, 4,290,311.02 and 838,123.50 is: 1,257,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,813.42 : 4,290,311.02 = 838,123.50 : x
  2. Step 2: Convert to fraction form
    2,859,813.42/4,290,311.02 = 838,123.50/x
  3. Step 3: Cross multiply
    2,859,813.42x = 4,290,311.02 × 838,123.50
  4. Step 4: Simplify right side
    2,859,813.42x = 3,595,810,488,170.97
  5. Step 5: Solve for x
    x = 3,595,810,488,170.97/2,859,813.42
  6. Step 6: Final answer
    x = 1,257,358.42

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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.