Home / 2,160,644.89-2,981,750.10-1,193,837.50

Finding the Fourth Proportional to 2,160,644.89, 2,981,750.10 and 1,193,837.50

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Solution

The fourth proportional to 2,160,644.89, 2,981,750.10 and 1,193,837.50 is: 1,647,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,644.89 : 2,981,750.10 = 1,193,837.50 : x
  2. Step 2: Convert to fraction form
    2,160,644.89/2,981,750.10 = 1,193,837.50/x
  3. Step 3: Cross multiply
    2,160,644.89x = 2,981,750.10 × 1,193,837.50
  4. Step 4: Simplify right side
    2,160,644.89x = 3,559,725,085,008.75
  5. Step 5: Solve for x
    x = 3,559,725,085,008.75/2,160,644.89
  6. Step 6: Final answer
    x = 1,647,528.99

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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.