Home / 2,262,045.12-3,121,625.60-1,243,456.08

Finding the Fourth Proportional to 2,262,045.12, 3,121,625.60 and 1,243,456.08

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Solution

The fourth proportional to 2,262,045.12, 3,121,625.60 and 1,243,456.08 is: 1,715,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,045.12 : 3,121,625.60 = 1,243,456.08 : x
  2. Step 2: Convert to fraction form
    2,262,045.12/3,121,625.60 = 1,243,456.08/x
  3. Step 3: Cross multiply
    2,262,045.12x = 3,121,625.60 × 1,243,456.08
  4. Step 4: Simplify right side
    2,262,045.12x = 3,881,604,331,803.65
  5. Step 5: Solve for x
    x = 3,881,604,331,803.65/2,262,045.12
  6. Step 6: Final answer
    x = 1,715,971.22

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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.