Home / 1,940,564.60-2,910,846.90-1,657,129.40

Finding the Fourth Proportional to 1,940,564.60, 2,910,846.90 and 1,657,129.40

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Solution

The fourth proportional to 1,940,564.60, 2,910,846.90 and 1,657,129.40 is: 2,485,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,564.60 : 2,910,846.90 = 1,657,129.40 : x
  2. Step 2: Convert to fraction form
    1,940,564.60/2,910,846.90 = 1,657,129.40/x
  3. Step 3: Cross multiply
    1,940,564.60x = 2,910,846.90 × 1,657,129.40
  4. Step 4: Simplify right side
    1,940,564.60x = 4,823,649,976,888.86
  5. Step 5: Solve for x
    x = 4,823,649,976,888.86/1,940,564.60
  6. Step 6: Final answer
    x = 2,485,694.10

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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.