Home / 2,900,281.82-4,002,253.10-1,611,200.84

Finding the Fourth Proportional to 2,900,281.82, 4,002,253.10 and 1,611,200.84

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Solution

The fourth proportional to 2,900,281.82, 4,002,253.10 and 1,611,200.84 is: 2,223,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,281.82 : 4,002,253.10 = 1,611,200.84 : x
  2. Step 2: Convert to fraction form
    2,900,281.82/4,002,253.10 = 1,611,200.84/x
  3. Step 3: Cross multiply
    2,900,281.82x = 4,002,253.10 × 1,611,200.84
  4. Step 4: Simplify right side
    2,900,281.82x = 6,448,433,556,612.61
  5. Step 5: Solve for x
    x = 6,448,433,556,612.61/2,900,281.82
  6. Step 6: Final answer
    x = 2,223,381.71

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1.5x scale

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.