Home / 2,912,209.80-4,368,314.70-2,061,904.20

Finding the Fourth Proportional to 2,912,209.80, 4,368,314.70 and 2,061,904.20

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Solution

The fourth proportional to 2,912,209.80, 4,368,314.70 and 2,061,904.20 is: 3,092,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,209.80 : 4,368,314.70 = 2,061,904.20 : x
  2. Step 2: Convert to fraction form
    2,912,209.80/4,368,314.70 = 2,061,904.20/x
  3. Step 3: Cross multiply
    2,912,209.80x = 4,368,314.70 × 2,061,904.20
  4. Step 4: Simplify right side
    2,912,209.80x = 9,007,046,426,851.74
  5. Step 5: Solve for x
    x = 9,007,046,426,851.74/2,912,209.80
  6. Step 6: Final answer
    x = 3,092,856.30

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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.