Home / 2,290,610.65-3,161,080.77-1,258,213.90

Finding the Fourth Proportional to 2,290,610.65, 3,161,080.77 and 1,258,213.90

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Solution

The fourth proportional to 2,290,610.65, 3,161,080.77 and 1,258,213.90 is: 1,736,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,610.65 : 3,161,080.77 = 1,258,213.90 : x
  2. Step 2: Convert to fraction form
    2,290,610.65/3,161,080.77 = 1,258,213.90/x
  3. Step 3: Cross multiply
    2,290,610.65x = 3,161,080.77 × 1,258,213.90
  4. Step 4: Simplify right side
    2,290,610.65x = 3,977,315,763,836.70
  5. Step 5: Solve for x
    x = 3,977,315,763,836.70/2,290,610.65
  6. Step 6: Final answer
    x = 1,736,356.10

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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.