Home / 2,107,833.87-3,161,838.30-611,925.87

Finding the Fourth Proportional to 2,107,833.87, 3,161,838.30 and 611,925.87

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Solution

The fourth proportional to 2,107,833.87, 3,161,838.30 and 611,925.87 is: 917,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,833.87 : 3,161,838.30 = 611,925.87 : x
  2. Step 2: Convert to fraction form
    2,107,833.87/3,161,838.30 = 611,925.87/x
  3. Step 3: Cross multiply
    2,107,833.87x = 3,161,838.30 × 611,925.87
  4. Step 4: Simplify right side
    2,107,833.87x = 1,934,810,652,526.82
  5. Step 5: Solve for x
    x = 1,934,810,652,526.82/2,107,833.87
  6. Step 6: Final answer
    x = 917,914.21

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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.