Home / 5,290,568.54-7,301,659.92-3,115,314.08

Finding the Fourth Proportional to 5,290,568.54, 7,301,659.92 and 3,115,314.08

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Solution

The fourth proportional to 5,290,568.54, 7,301,659.92 and 3,115,314.08 is: 4,299,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,568.54 : 7,301,659.92 = 3,115,314.08 : x
  2. Step 2: Convert to fraction form
    5,290,568.54/7,301,659.92 = 3,115,314.08/x
  3. Step 3: Cross multiply
    5,290,568.54x = 7,301,659.92 × 3,115,314.08
  4. Step 4: Simplify right side
    5,290,568.54x = 22,746,963,956,147.68
  5. Step 5: Solve for x
    x = 22,746,963,956,147.68/5,290,568.54
  6. Step 6: Final answer
    x = 4,299,531.10

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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.