Home / 1,929,089.16-2,662,174.98-1,069,685.64

Finding the Fourth Proportional to 1,929,089.16, 2,662,174.98 and 1,069,685.64

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Solution

The fourth proportional to 1,929,089.16, 2,662,174.98 and 1,069,685.64 is: 1,476,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,089.16 : 2,662,174.98 = 1,069,685.64 : x
  2. Step 2: Convert to fraction form
    1,929,089.16/2,662,174.98 = 1,069,685.64/x
  3. Step 3: Cross multiply
    1,929,089.16x = 2,662,174.98 × 1,069,685.64
  4. Step 4: Simplify right side
    1,929,089.16x = 2,847,690,347,273.29
  5. Step 5: Solve for x
    x = 2,847,690,347,273.29/1,929,089.16
  6. Step 6: Final answer
    x = 1,476,183.89

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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.