Home / 2,191,071.54-3,023,835.20-1,210,989.49

Finding the Fourth Proportional to 2,191,071.54, 3,023,835.20 and 1,210,989.49

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Solution

The fourth proportional to 2,191,071.54, 3,023,835.20 and 1,210,989.49 is: 1,671,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,071.54 : 3,023,835.20 = 1,210,989.49 : x
  2. Step 2: Convert to fraction form
    2,191,071.54/3,023,835.20 = 1,210,989.49/x
  3. Step 3: Cross multiply
    2,191,071.54x = 3,023,835.20 × 1,210,989.49
  4. Step 4: Simplify right side
    2,191,071.54x = 3,661,832,641,017.81
  5. Step 5: Solve for x
    x = 3,661,832,641,017.81/2,191,071.54
  6. Step 6: Final answer
    x = 1,671,251.97

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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.