Home / 2,940,829.40-4,411,244.10-811,242.20

Finding the Fourth Proportional to 2,940,829.40, 4,411,244.10 and 811,242.20

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Solution

The fourth proportional to 2,940,829.40, 4,411,244.10 and 811,242.20 is: 1,216,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,829.40 : 4,411,244.10 = 811,242.20 : x
  2. Step 2: Convert to fraction form
    2,940,829.40/4,411,244.10 = 811,242.20/x
  3. Step 3: Cross multiply
    2,940,829.40x = 4,411,244.10 × 811,242.20
  4. Step 4: Simplify right side
    2,940,829.40x = 3,578,587,368,421.02
  5. Step 5: Solve for x
    x = 3,578,587,368,421.02/2,940,829.40
  6. Step 6: Final answer
    x = 1,216,863.30

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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.