Home / 2,940,818.40-4,411,227.60-811,231.20

Finding the Fourth Proportional to 2,940,818.40, 4,411,227.60 and 811,231.20

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Solution

The fourth proportional to 2,940,818.40, 4,411,227.60 and 811,231.20 is: 1,216,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,818.40 : 4,411,227.60 = 811,231.20 : x
  2. Step 2: Convert to fraction form
    2,940,818.40/4,411,227.60 = 811,231.20/x
  3. Step 3: Cross multiply
    2,940,818.40x = 4,411,227.60 × 811,231.20
  4. Step 4: Simplify right side
    2,940,818.40x = 3,578,525,459,421.12
  5. Step 5: Solve for x
    x = 3,578,525,459,421.12/2,940,818.40
  6. Step 6: Final answer
    x = 1,216,846.80

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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.