Home / 2,438,085.70-3,657,369.06-840,438.46

Finding the Fourth Proportional to 2,438,085.70, 3,657,369.06 and 840,438.46

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Solution

The fourth proportional to 2,438,085.70, 3,657,369.06 and 840,438.46 is: 1,260,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,085.70 : 3,657,369.06 = 840,438.46 : x
  2. Step 2: Convert to fraction form
    2,438,085.70/3,657,369.06 = 840,438.46/x
  3. Step 3: Cross multiply
    2,438,085.70x = 3,657,369.06 × 840,438.46
  4. Step 4: Simplify right side
    2,438,085.70x = 3,073,793,620,438.05
  5. Step 5: Solve for x
    x = 3,073,793,620,438.05/2,438,085.70
  6. Step 6: Final answer
    x = 1,260,740.60

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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.