Home / 2,859,337.80-4,289,006.70-2,141,892.45

Finding the Fourth Proportional to 2,859,337.80, 4,289,006.70 and 2,141,892.45

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Solution

The fourth proportional to 2,859,337.80, 4,289,006.70 and 2,141,892.45 is: 3,212,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,337.80 : 4,289,006.70 = 2,141,892.45 : x
  2. Step 2: Convert to fraction form
    2,859,337.80/4,289,006.70 = 2,141,892.45/x
  3. Step 3: Cross multiply
    2,859,337.80x = 4,289,006.70 × 2,141,892.45
  4. Step 4: Simplify right side
    2,859,337.80x = 9,186,591,068,729.42
  5. Step 5: Solve for x
    x = 9,186,591,068,729.42/2,859,337.80
  6. Step 6: Final answer
    x = 3,212,838.68

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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.