Home / 3,884,137.21-5,360,428.43-2,142,147.29

Finding the Fourth Proportional to 3,884,137.21, 5,360,428.43 and 2,142,147.29

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Solution

The fourth proportional to 3,884,137.21, 5,360,428.43 and 2,142,147.29 is: 2,956,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,137.21 : 5,360,428.43 = 2,142,147.29 : x
  2. Step 2: Convert to fraction form
    3,884,137.21/5,360,428.43 = 2,142,147.29/x
  3. Step 3: Cross multiply
    3,884,137.21x = 5,360,428.43 × 2,142,147.29
  4. Step 4: Simplify right side
    3,884,137.21x = 11,482,827,220,159.30
  5. Step 5: Solve for x
    x = 11,482,827,220,159.30/3,884,137.21
  6. Step 6: Final answer
    x = 2,956,339.23

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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.