Home / 2,118,437.55-2,923,494.12-1,200,760.20

Finding the Fourth Proportional to 2,118,437.55, 2,923,494.12 and 1,200,760.20

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Solution

The fourth proportional to 2,118,437.55, 2,923,494.12 and 1,200,760.20 is: 1,657,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,437.55 : 2,923,494.12 = 1,200,760.20 : x
  2. Step 2: Convert to fraction form
    2,118,437.55/2,923,494.12 = 1,200,760.20/x
  3. Step 3: Cross multiply
    2,118,437.55x = 2,923,494.12 × 1,200,760.20
  4. Step 4: Simplify right side
    2,118,437.55x = 3,510,415,384,230.02
  5. Step 5: Solve for x
    x = 3,510,415,384,230.02/2,118,437.55
  6. Step 6: Final answer
    x = 1,657,077.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.