Home / 3,847,073.98-5,309,118.40-2,128,164.88

Finding the Fourth Proportional to 3,847,073.98, 5,309,118.40 and 2,128,164.88

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Solution

The fourth proportional to 3,847,073.98, 5,309,118.40 and 2,128,164.88 is: 2,936,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,073.98 : 5,309,118.40 = 2,128,164.88 : x
  2. Step 2: Convert to fraction form
    3,847,073.98/5,309,118.40 = 2,128,164.88/x
  3. Step 3: Cross multiply
    3,847,073.98x = 5,309,118.40 × 2,128,164.88
  4. Step 4: Simplify right side
    3,847,073.98x = 11,298,679,322,641.79
  5. Step 5: Solve for x
    x = 11,298,679,322,641.79/3,847,073.98
  6. Step 6: Final answer
    x = 2,936,954.00

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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.