Home / 1,998,549.20-2,989,075.80-1,786,847.60

Finding the Fourth Proportional to 1,998,549.20, 2,989,075.80 and 1,786,847.60

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Solution

The fourth proportional to 1,998,549.20, 2,989,075.80 and 1,786,847.60 is: 2,672,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,549.20 : 2,989,075.80 = 1,786,847.60 : x
  2. Step 2: Convert to fraction form
    1,998,549.20/2,989,075.80 = 1,786,847.60/x
  3. Step 3: Cross multiply
    1,998,549.20x = 2,989,075.80 × 1,786,847.60
  4. Step 4: Simplify right side
    1,998,549.20x = 5,341,022,919,448.08
  5. Step 5: Solve for x
    x = 5,341,022,919,448.08/1,998,549.20
  6. Step 6: Final answer
    x = 2,672,450.05

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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.