Home / 3,643,449.93-5,028,404.21-2,115,557.01

Finding the Fourth Proportional to 3,643,449.93, 5,028,404.21 and 2,115,557.01

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Solution

The fourth proportional to 3,643,449.93, 5,028,404.21 and 2,115,557.01 is: 2,919,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,449.93 : 5,028,404.21 = 2,115,557.01 : x
  2. Step 2: Convert to fraction form
    3,643,449.93/5,028,404.21 = 2,115,557.01/x
  3. Step 3: Cross multiply
    3,643,449.93x = 5,028,404.21 × 2,115,557.01
  4. Step 4: Simplify right side
    3,643,449.93x = 10,637,875,765,001.23
  5. Step 5: Solve for x
    x = 10,637,875,765,001.23/3,643,449.93
  6. Step 6: Final answer
    x = 2,919,726.08

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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.