Home / 3,312,787.20-4,974,429.60-2,420,491.20

Finding the Fourth Proportional to 3,312,787.20, 4,974,429.60 and 2,420,491.20

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Solution

The fourth proportional to 3,312,787.20, 4,974,429.60 and 2,420,491.20 is: 3,634,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,787.20 : 4,974,429.60 = 2,420,491.20 : x
  2. Step 2: Convert to fraction form
    3,312,787.20/4,974,429.60 = 2,420,491.20/x
  3. Step 3: Cross multiply
    3,312,787.20x = 4,974,429.60 × 2,420,491.20
  4. Step 4: Simplify right side
    3,312,787.20x = 12,040,563,071,819.52
  5. Step 5: Solve for x
    x = 12,040,563,071,819.52/3,312,787.20
  6. Step 6: Final answer
    x = 3,634,571.84

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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.