Home / 2,292,405.80-3,430,443.90-1,996,140.20

Finding the Fourth Proportional to 2,292,405.80, 3,430,443.90 and 1,996,140.20

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Solution

The fourth proportional to 2,292,405.80, 3,430,443.90 and 1,996,140.20 is: 2,987,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292,405.80 : 3,430,443.90 = 1,996,140.20 : x
  2. Step 2: Convert to fraction form
    2,292,405.80/3,430,443.90 = 1,996,140.20/x
  3. Step 3: Cross multiply
    2,292,405.80x = 3,430,443.90 × 1,996,140.20
  4. Step 4: Simplify right side
    2,292,405.80x = 6,847,646,972,634.78
  5. Step 5: Solve for x
    x = 6,847,646,972,634.78/2,292,405.80
  6. Step 6: Final answer
    x = 2,987,100.70

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1.5x scale

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.