Home / 1,872,140.40-2,808,210.60-1,844,146.80

Finding the Fourth Proportional to 1,872,140.40, 2,808,210.60 and 1,844,146.80

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Solution

The fourth proportional to 1,872,140.40, 2,808,210.60 and 1,844,146.80 is: 2,766,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,140.40 : 2,808,210.60 = 1,844,146.80 : x
  2. Step 2: Convert to fraction form
    1,872,140.40/2,808,210.60 = 1,844,146.80/x
  3. Step 3: Cross multiply
    1,872,140.40x = 2,808,210.60 × 1,844,146.80
  4. Step 4: Simplify right side
    1,872,140.40x = 5,178,752,591,716.08
  5. Step 5: Solve for x
    x = 5,178,752,591,716.08/1,872,140.40
  6. Step 6: Final answer
    x = 2,766,220.20

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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.