Home / 2,679,173.91-3,695,222.99-1,853,621.10

Finding the Fourth Proportional to 2,679,173.91, 3,695,222.99 and 1,853,621.10

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Solution

The fourth proportional to 2,679,173.91, 3,695,222.99 and 1,853,621.10 is: 2,556,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,173.91 : 3,695,222.99 = 1,853,621.10 : x
  2. Step 2: Convert to fraction form
    2,679,173.91/3,695,222.99 = 1,853,621.10/x
  3. Step 3: Cross multiply
    2,679,173.91x = 3,695,222.99 × 1,853,621.10
  4. Step 4: Simplify right side
    2,679,173.91x = 6,849,543,294,200.98
  5. Step 5: Solve for x
    x = 6,849,543,294,200.98/2,679,173.91
  6. Step 6: Final answer
    x = 2,556,587.79

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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.