Home / 2,091,316.08-3,138,897.96-1,294,155.12

Finding the Fourth Proportional to 2,091,316.08, 3,138,897.96 and 1,294,155.12

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Solution

The fourth proportional to 2,091,316.08, 3,138,897.96 and 1,294,155.12 is: 1,942,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,316.08 : 3,138,897.96 = 1,294,155.12 : x
  2. Step 2: Convert to fraction form
    2,091,316.08/3,138,897.96 = 1,294,155.12/x
  3. Step 3: Cross multiply
    2,091,316.08x = 3,138,897.96 × 1,294,155.12
  4. Step 4: Simplify right side
    2,091,316.08x = 4,062,220,866,091.56
  5. Step 5: Solve for x
    x = 4,062,220,866,091.56/2,091,316.08
  6. Step 6: Final answer
    x = 1,942,423.20

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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.