Home / 2,097,849.20-2,894,285.40-1,237,979.12

Finding the Fourth Proportional to 2,097,849.20, 2,894,285.40 and 1,237,979.12

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Solution

The fourth proportional to 2,097,849.20, 2,894,285.40 and 1,237,979.12 is: 1,707,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,849.20 : 2,894,285.40 = 1,237,979.12 : x
  2. Step 2: Convert to fraction form
    2,097,849.20/2,894,285.40 = 1,237,979.12/x
  3. Step 3: Cross multiply
    2,097,849.20x = 2,894,285.40 × 1,237,979.12
  4. Step 4: Simplify right side
    2,097,849.20x = 3,583,064,892,520.85
  5. Step 5: Solve for x
    x = 3,583,064,892,520.85/2,097,849.20
  6. Step 6: Final answer
    x = 1,707,970.66

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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.