Home / 2,115,207.80-3,172,811.70-1,884,916.70

Finding the Fourth Proportional to 2,115,207.80, 3,172,811.70 and 1,884,916.70

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Solution

The fourth proportional to 2,115,207.80, 3,172,811.70 and 1,884,916.70 is: 2,827,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,207.80 : 3,172,811.70 = 1,884,916.70 : x
  2. Step 2: Convert to fraction form
    2,115,207.80/3,172,811.70 = 1,884,916.70/x
  3. Step 3: Cross multiply
    2,115,207.80x = 3,172,811.70 × 1,884,916.70
  4. Step 4: Simplify right side
    2,115,207.80x = 5,980,485,759,285.39
  5. Step 5: Solve for x
    x = 5,980,485,759,285.39/2,115,207.80
  6. Step 6: Final answer
    x = 2,827,375.05

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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.