Home / 2,157,916.25-3,236,873.47-641,592.61

Finding the Fourth Proportional to 2,157,916.25, 3,236,873.47 and 641,592.61

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Solution

The fourth proportional to 2,157,916.25, 3,236,873.47 and 641,592.61 is: 962,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,916.25 : 3,236,873.47 = 641,592.61 : x
  2. Step 2: Convert to fraction form
    2,157,916.25/3,236,873.47 = 641,592.61/x
  3. Step 3: Cross multiply
    2,157,916.25x = 3,236,873.47 × 641,592.61
  4. Step 4: Simplify right side
    2,157,916.25x = 2,076,754,088,160.89
  5. Step 5: Solve for x
    x = 2,076,754,088,160.89/2,157,916.25
  6. Step 6: Final answer
    x = 962,388.64

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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.