Home / 4,889,711.80-7,329,318.90-1,855,905.40

Finding the Fourth Proportional to 4,889,711.80, 7,329,318.90 and 1,855,905.40

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Solution

The fourth proportional to 4,889,711.80, 7,329,318.90 and 1,855,905.40 is: 2,781,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,711.80 : 7,329,318.90 = 1,855,905.40 : x
  2. Step 2: Convert to fraction form
    4,889,711.80/7,329,318.90 = 1,855,905.40/x
  3. Step 3: Cross multiply
    4,889,711.80x = 7,329,318.90 × 1,855,905.40
  4. Step 4: Simplify right side
    4,889,711.80x = 13,602,522,524,832.06
  5. Step 5: Solve for x
    x = 13,602,522,524,832.06/4,889,711.80
  6. Step 6: Final answer
    x = 2,781,865.90

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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.