Home / 2,172,602.72-3,258,904.10-1,158,652.79

Finding the Fourth Proportional to 2,172,602.72, 3,258,904.10 and 1,158,652.79

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Solution

The fourth proportional to 2,172,602.72, 3,258,904.10 and 1,158,652.79 is: 1,737,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,602.72 : 3,258,904.10 = 1,158,652.79 : x
  2. Step 2: Convert to fraction form
    2,172,602.72/3,258,904.10 = 1,158,652.79/x
  3. Step 3: Cross multiply
    2,172,602.72x = 3,258,904.10 × 1,158,652.79
  4. Step 4: Simplify right side
    2,172,602.72x = 3,775,938,324,050.99
  5. Step 5: Solve for x
    x = 3,775,938,324,050.99/2,172,602.72
  6. Step 6: Final answer
    x = 1,737,979.19

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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.