Home / 2,156,442.84-2,975,882.76-1,189,633.32

Finding the Fourth Proportional to 2,156,442.84, 2,975,882.76 and 1,189,633.32

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Solution

The fourth proportional to 2,156,442.84, 2,975,882.76 and 1,189,633.32 is: 1,641,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,442.84 : 2,975,882.76 = 1,189,633.32 : x
  2. Step 2: Convert to fraction form
    2,156,442.84/2,975,882.76 = 1,189,633.32/x
  3. Step 3: Cross multiply
    2,156,442.84x = 2,975,882.76 × 1,189,633.32
  4. Step 4: Simplify right side
    2,156,442.84x = 3,540,209,287,709.56
  5. Step 5: Solve for x
    x = 3,540,209,287,709.56/2,156,442.84
  6. Step 6: Final answer
    x = 1,641,689.37

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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.