Home / 2,133,545.40-3,200,318.10-1,971,343.80

Finding the Fourth Proportional to 2,133,545.40, 3,200,318.10 and 1,971,343.80

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Solution

The fourth proportional to 2,133,545.40, 3,200,318.10 and 1,971,343.80 is: 2,957,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,545.40 : 3,200,318.10 = 1,971,343.80 : x
  2. Step 2: Convert to fraction form
    2,133,545.40/3,200,318.10 = 1,971,343.80/x
  3. Step 3: Cross multiply
    2,133,545.40x = 3,200,318.10 × 1,971,343.80
  4. Step 4: Simplify right side
    2,133,545.40x = 6,308,927,244,462.78
  5. Step 5: Solve for x
    x = 6,308,927,244,462.78/2,133,545.40
  6. Step 6: Final answer
    x = 2,957,015.70

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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.