Home / 1,821,311.10-2,731,966.65-1,145,200.05

Finding the Fourth Proportional to 1,821,311.10, 2,731,966.65 and 1,145,200.05

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Solution

The fourth proportional to 1,821,311.10, 2,731,966.65 and 1,145,200.05 is: 1,717,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,311.10 : 2,731,966.65 = 1,145,200.05 : x
  2. Step 2: Convert to fraction form
    1,821,311.10/2,731,966.65 = 1,145,200.05/x
  3. Step 3: Cross multiply
    1,821,311.10x = 2,731,966.65 × 1,145,200.05
  4. Step 4: Simplify right side
    1,821,311.10x = 3,128,648,344,178.33
  5. Step 5: Solve for x
    x = 3,128,648,344,178.33/1,821,311.10
  6. Step 6: Final answer
    x = 1,717,800.08

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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.