Home / 1,940,101.80-2,910,152.70-1,772,140.20

Finding the Fourth Proportional to 1,940,101.80, 2,910,152.70 and 1,772,140.20

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Solution

The fourth proportional to 1,940,101.80, 2,910,152.70 and 1,772,140.20 is: 2,658,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,101.80 : 2,910,152.70 = 1,772,140.20 : x
  2. Step 2: Convert to fraction form
    1,940,101.80/2,910,152.70 = 1,772,140.20/x
  3. Step 3: Cross multiply
    1,940,101.80x = 2,910,152.70 × 1,772,140.20
  4. Step 4: Simplify right side
    1,940,101.80x = 5,157,198,587,808.54
  5. Step 5: Solve for x
    x = 5,157,198,587,808.54/1,940,101.80
  6. Step 6: Final answer
    x = 2,658,210.30

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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.