Home / 2,133,838.80-3,196,870.20-1,687,496.40

Finding the Fourth Proportional to 2,133,838.80, 3,196,870.20 and 1,687,496.40

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Solution

The fourth proportional to 2,133,838.80, 3,196,870.20 and 1,687,496.40 is: 2,528,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,838.80 : 3,196,870.20 = 1,687,496.40 : x
  2. Step 2: Convert to fraction form
    2,133,838.80/3,196,870.20 = 1,687,496.40/x
  3. Step 3: Cross multiply
    2,133,838.80x = 3,196,870.20 × 1,687,496.40
  4. Step 4: Simplify right side
    2,133,838.80x = 5,394,706,953,767.28
  5. Step 5: Solve for x
    x = 5,394,706,953,767.28/2,133,838.80
  6. Step 6: Final answer
    x = 2,528,169.87

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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.