Home / 3,874,780.96-5,812,242.76-1,686,129.82

Finding the Fourth Proportional to 3,874,780.96, 5,812,242.76 and 1,686,129.82

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Solution

The fourth proportional to 3,874,780.96, 5,812,242.76 and 1,686,129.82 is: 2,529,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,780.96 : 5,812,242.76 = 1,686,129.82 : x
  2. Step 2: Convert to fraction form
    3,874,780.96/5,812,242.76 = 1,686,129.82/x
  3. Step 3: Cross multiply
    3,874,780.96x = 5,812,242.76 × 1,686,129.82
  4. Step 4: Simplify right side
    3,874,780.96x = 9,800,195,838,715.10
  5. Step 5: Solve for x
    x = 9,800,195,838,715.10/3,874,780.96
  6. Step 6: Final answer
    x = 2,529,225.77

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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.