Home / 2,518,473.36-3,778,822.98-1,320,109.14

Finding the Fourth Proportional to 2,518,473.36, 3,778,822.98 and 1,320,109.14

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Solution

The fourth proportional to 2,518,473.36, 3,778,822.98 and 1,320,109.14 is: 1,980,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,473.36 : 3,778,822.98 = 1,320,109.14 : x
  2. Step 2: Convert to fraction form
    2,518,473.36/3,778,822.98 = 1,320,109.14/x
  3. Step 3: Cross multiply
    2,518,473.36x = 3,778,822.98 × 1,320,109.14
  4. Step 4: Simplify right side
    2,518,473.36x = 4,988,458,754,340.04
  5. Step 5: Solve for x
    x = 4,988,458,754,340.04/2,518,473.36
  6. Step 6: Final answer
    x = 1,980,747.08

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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.