Home / 3,643,461.18-5,028,419.70-2,115,568.26

Finding the Fourth Proportional to 3,643,461.18, 5,028,419.70 and 2,115,568.26

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Solution

The fourth proportional to 3,643,461.18, 5,028,419.70 and 2,115,568.26 is: 2,919,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,461.18 : 5,028,419.70 = 2,115,568.26 : x
  2. Step 2: Convert to fraction form
    3,643,461.18/5,028,419.70 = 2,115,568.26/x
  3. Step 3: Cross multiply
    3,643,461.18x = 5,028,419.70 × 2,115,568.26
  4. Step 4: Simplify right side
    3,643,461.18x = 10,637,965,115,278.72
  5. Step 5: Solve for x
    x = 10,637,965,115,278.72/3,643,461.18
  6. Step 6: Final answer
    x = 2,919,741.58

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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.