Home / 2,328,317.12-3,213,047.04-1,309,721.60

Finding the Fourth Proportional to 2,328,317.12, 3,213,047.04 and 1,309,721.60

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Solution

The fourth proportional to 2,328,317.12, 3,213,047.04 and 1,309,721.60 is: 1,807,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,317.12 : 3,213,047.04 = 1,309,721.60 : x
  2. Step 2: Convert to fraction form
    2,328,317.12/3,213,047.04 = 1,309,721.60/x
  3. Step 3: Cross multiply
    2,328,317.12x = 3,213,047.04 × 1,309,721.60
  4. Step 4: Simplify right side
    2,328,317.12x = 4,208,197,110,104.06
  5. Step 5: Solve for x
    x = 4,208,197,110,104.06/2,328,317.12
  6. Step 6: Final answer
    x = 1,807,398.60

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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.