Home / 3,884,139.21-5,360,431.19-2,142,149.29

Finding the Fourth Proportional to 3,884,139.21, 5,360,431.19 and 2,142,149.29

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Solution

The fourth proportional to 3,884,139.21, 5,360,431.19 and 2,142,149.29 is: 2,956,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,139.21 : 5,360,431.19 = 2,142,149.29 : x
  2. Step 2: Convert to fraction form
    3,884,139.21/5,360,431.19 = 2,142,149.29/x
  3. Step 3: Cross multiply
    3,884,139.21x = 5,360,431.19 × 2,142,149.29
  4. Step 4: Simplify right side
    3,884,139.21x = 11,482,843,867,752.36
  5. Step 5: Solve for x
    x = 11,482,843,867,752.36/3,884,139.21
  6. Step 6: Final answer
    x = 2,956,342.00

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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.