Home / 2,912,250.60-4,368,375.90-2,628,815.40

Finding the Fourth Proportional to 2,912,250.60, 4,368,375.90 and 2,628,815.40

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Solution

The fourth proportional to 2,912,250.60, 4,368,375.90 and 2,628,815.40 is: 3,943,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,250.60 : 4,368,375.90 = 2,628,815.40 : x
  2. Step 2: Convert to fraction form
    2,912,250.60/4,368,375.90 = 2,628,815.40/x
  3. Step 3: Cross multiply
    2,912,250.60x = 4,368,375.90 × 2,628,815.40
  4. Step 4: Simplify right side
    2,912,250.60x = 11,483,653,838,908.86
  5. Step 5: Solve for x
    x = 11,483,653,838,908.86/2,912,250.60
  6. Step 6: Final answer
    x = 3,943,223.10

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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.