Home / 1,980,687.60-2,977,373.70-1,840,282.20

Finding the Fourth Proportional to 1,980,687.60, 2,977,373.70 and 1,840,282.20

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Solution

The fourth proportional to 1,980,687.60, 2,977,373.70 and 1,840,282.20 is: 2,766,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,687.60 : 2,977,373.70 = 1,840,282.20 : x
  2. Step 2: Convert to fraction form
    1,980,687.60/2,977,373.70 = 1,840,282.20/x
  3. Step 3: Cross multiply
    1,980,687.60x = 2,977,373.70 × 1,840,282.20
  4. Step 4: Simplify right side
    1,980,687.60x = 5,479,207,822,858.14
  5. Step 5: Solve for x
    x = 5,479,207,822,858.14/1,980,687.60
  6. Step 6: Final answer
    x = 2,766,316.01

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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.