Home / 2,916,281.70-4,374,422.55-2,313,981.90

Finding the Fourth Proportional to 2,916,281.70, 4,374,422.55 and 2,313,981.90

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Solution

The fourth proportional to 2,916,281.70, 4,374,422.55 and 2,313,981.90 is: 3,470,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,281.70 : 4,374,422.55 = 2,313,981.90 : x
  2. Step 2: Convert to fraction form
    2,916,281.70/4,374,422.55 = 2,313,981.90/x
  3. Step 3: Cross multiply
    2,916,281.70x = 4,374,422.55 × 2,313,981.90
  4. Step 4: Simplify right side
    2,916,281.70x = 10,122,334,603,651.84
  5. Step 5: Solve for x
    x = 10,122,334,603,651.84/2,916,281.70
  6. Step 6: Final answer
    x = 3,470,972.85

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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.