Home / 2,172,419.10-3,258,045.45-910,374.30

Finding the Fourth Proportional to 2,172,419.10, 3,258,045.45 and 910,374.30

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Solution

The fourth proportional to 2,172,419.10, 3,258,045.45 and 910,374.30 is: 1,365,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,419.10 : 3,258,045.45 = 910,374.30 : x
  2. Step 2: Convert to fraction form
    2,172,419.10/3,258,045.45 = 910,374.30/x
  3. Step 3: Cross multiply
    2,172,419.10x = 3,258,045.45 × 910,374.30
  4. Step 4: Simplify right side
    2,172,419.10x = 2,966,040,845,911.94
  5. Step 5: Solve for x
    x = 2,966,040,845,911.94/2,172,419.10
  6. Step 6: Final answer
    x = 1,365,317.05

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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.