Home / 2,173,480.20-3,260,220.30-1,821,810.60

Finding the Fourth Proportional to 2,173,480.20, 3,260,220.30 and 1,821,810.60

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Solution

The fourth proportional to 2,173,480.20, 3,260,220.30 and 1,821,810.60 is: 2,732,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,480.20 : 3,260,220.30 = 1,821,810.60 : x
  2. Step 2: Convert to fraction form
    2,173,480.20/3,260,220.30 = 1,821,810.60/x
  3. Step 3: Cross multiply
    2,173,480.20x = 3,260,220.30 × 1,821,810.60
  4. Step 4: Simplify right side
    2,173,480.20x = 5,939,503,900,875.18
  5. Step 5: Solve for x
    x = 5,939,503,900,875.18/2,173,480.20
  6. Step 6: Final answer
    x = 2,732,715.90

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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.