Home / 2,812,972.45-3,881,913.88-1,523,812.84

Finding the Fourth Proportional to 2,812,972.45, 3,881,913.88 and 1,523,812.84

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Solution

The fourth proportional to 2,812,972.45, 3,881,913.88 and 1,523,812.84 is: 2,102,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,972.45 : 3,881,913.88 = 1,523,812.84 : x
  2. Step 2: Convert to fraction form
    2,812,972.45/3,881,913.88 = 1,523,812.84/x
  3. Step 3: Cross multiply
    2,812,972.45x = 3,881,913.88 × 1,523,812.84
  4. Step 4: Simplify right side
    2,812,972.45x = 5,915,310,200,603.90
  5. Step 5: Solve for x
    x = 5,915,310,200,603.90/2,812,972.45
  6. Step 6: Final answer
    x = 2,102,868.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.