Home / 2,912,148.10-4,368,222.15-2,628,712.90

Finding the Fourth Proportional to 2,912,148.10, 4,368,222.15 and 2,628,712.90

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Solution

The fourth proportional to 2,912,148.10, 4,368,222.15 and 2,628,712.90 is: 3,943,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,148.10 : 4,368,222.15 = 2,628,712.90 : x
  2. Step 2: Convert to fraction form
    2,912,148.10/4,368,222.15 = 2,628,712.90/x
  3. Step 3: Cross multiply
    2,912,148.10x = 4,368,222.15 × 2,628,712.90
  4. Step 4: Simplify right side
    2,912,148.10x = 11,482,801,915,770.74
  5. Step 5: Solve for x
    x = 11,482,801,915,770.74/2,912,148.10
  6. Step 6: Final answer
    x = 3,943,069.35

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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.