Home / 2,820,775.60-4,230,731.40-927,521.20

Finding the Fourth Proportional to 2,820,775.60, 4,230,731.40 and 927,521.20

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Solution

The fourth proportional to 2,820,775.60, 4,230,731.40 and 927,521.20 is: 1,391,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,775.60 : 4,230,731.40 = 927,521.20 : x
  2. Step 2: Convert to fraction form
    2,820,775.60/4,230,731.40 = 927,521.20/x
  3. Step 3: Cross multiply
    2,820,775.60x = 4,230,731.40 × 927,521.20
  4. Step 4: Simplify right side
    2,820,775.60x = 3,924,093,065,005.68
  5. Step 5: Solve for x
    x = 3,924,093,065,005.68/2,820,775.60
  6. Step 6: Final answer
    x = 1,391,139.75

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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.