Home / 2,672,145.60-3,998,887.20-1,869,662.40

Finding the Fourth Proportional to 2,672,145.60, 3,998,887.20 and 1,869,662.40

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Solution

The fourth proportional to 2,672,145.60, 3,998,887.20 and 1,869,662.40 is: 2,797,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,145.60 : 3,998,887.20 = 1,869,662.40 : x
  2. Step 2: Convert to fraction form
    2,672,145.60/3,998,887.20 = 1,869,662.40/x
  3. Step 3: Cross multiply
    2,672,145.60x = 3,998,887.20 × 1,869,662.40
  4. Step 4: Simplify right side
    2,672,145.60x = 7,476,569,039,681.28
  5. Step 5: Solve for x
    x = 7,476,569,039,681.28/2,672,145.60
  6. Step 6: Final answer
    x = 2,797,964.69

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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.