Home / 2,108,038.50-3,162,145.23-612,130.50

Finding the Fourth Proportional to 2,108,038.50, 3,162,145.23 and 612,130.50

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Solution

The fourth proportional to 2,108,038.50, 3,162,145.23 and 612,130.50 is: 918,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,038.50 : 3,162,145.23 = 612,130.50 : x
  2. Step 2: Convert to fraction form
    2,108,038.50/3,162,145.23 = 612,130.50/x
  3. Step 3: Cross multiply
    2,108,038.50x = 3,162,145.23 × 612,130.50
  4. Step 4: Simplify right side
    2,108,038.50x = 1,935,645,540,712.52
  5. Step 5: Solve for x
    x = 1,935,645,540,712.52/2,108,038.50
  6. Step 6: Final answer
    x = 918,221.15

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Double scale
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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.