Home / 1,822,500.20-2,733,750.30-1,220,200.40

Finding the Fourth Proportional to 1,822,500.20, 2,733,750.30 and 1,220,200.40

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Solution

The fourth proportional to 1,822,500.20, 2,733,750.30 and 1,220,200.40 is: 1,830,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,500.20 : 2,733,750.30 = 1,220,200.40 : x
  2. Step 2: Convert to fraction form
    1,822,500.20/2,733,750.30 = 1,220,200.40/x
  3. Step 3: Cross multiply
    1,822,500.20x = 2,733,750.30 × 1,220,200.40
  4. Step 4: Simplify right side
    1,822,500.20x = 3,335,723,209,560.12
  5. Step 5: Solve for x
    x = 3,335,723,209,560.12/1,822,500.20
  6. Step 6: Final answer
    x = 1,830,300.60

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1.5x scale

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.