Home / 2,777,814.71-4,167,121.35-858,875.57

Finding the Fourth Proportional to 2,777,814.71, 4,167,121.35 and 858,875.57

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Solution

The fourth proportional to 2,777,814.71, 4,167,121.35 and 858,875.57 is: 1,288,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,814.71 : 4,167,121.35 = 858,875.57 : x
  2. Step 2: Convert to fraction form
    2,777,814.71/4,167,121.35 = 858,875.57/x
  3. Step 3: Cross multiply
    2,777,814.71x = 4,167,121.35 × 858,875.57
  4. Step 4: Simplify right side
    2,777,814.71x = 3,579,038,724,740.42
  5. Step 5: Solve for x
    x = 3,579,038,724,740.42/2,777,814.71
  6. Step 6: Final answer
    x = 1,288,436.81

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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.