Home / 3,643,448.68-5,028,402.48-2,115,555.76

Finding the Fourth Proportional to 3,643,448.68, 5,028,402.48 and 2,115,555.76

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Solution

The fourth proportional to 3,643,448.68, 5,028,402.48 and 2,115,555.76 is: 2,919,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,448.68 : 5,028,402.48 = 2,115,555.76 : x
  2. Step 2: Convert to fraction form
    3,643,448.68/5,028,402.48 = 2,115,555.76/x
  3. Step 3: Cross multiply
    3,643,448.68x = 5,028,402.48 × 2,115,555.76
  4. Step 4: Simplify right side
    3,643,448.68x = 10,637,865,830,162.29
  5. Step 5: Solve for x
    x = 10,637,865,830,162.29/3,643,448.68
  6. Step 6: Final answer
    x = 2,919,724.35

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Double scale
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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.