Home / 2,892,045.80-4,340,142.30-1,628,532.20

Finding the Fourth Proportional to 2,892,045.80, 4,340,142.30 and 1,628,532.20

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Solution

The fourth proportional to 2,892,045.80, 4,340,142.30 and 1,628,532.20 is: 2,443,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,045.80 : 4,340,142.30 = 1,628,532.20 : x
  2. Step 2: Convert to fraction form
    2,892,045.80/4,340,142.30 = 1,628,532.20/x
  3. Step 3: Cross multiply
    2,892,045.80x = 4,340,142.30 × 1,628,532.20
  4. Step 4: Simplify right side
    2,892,045.80x = 7,068,061,488,132.06
  5. Step 5: Solve for x
    x = 7,068,061,488,132.06/2,892,045.80
  6. Step 6: Final answer
    x = 2,443,965.96

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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.