Home / 1,996,998.60-2,993,857.65-860,633.40

Finding the Fourth Proportional to 1,996,998.60, 2,993,857.65 and 860,633.40

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Solution

The fourth proportional to 1,996,998.60, 2,993,857.65 and 860,633.40 is: 1,290,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,998.60 : 2,993,857.65 = 860,633.40 : x
  2. Step 2: Convert to fraction form
    1,996,998.60/2,993,857.65 = 860,633.40/x
  3. Step 3: Cross multiply
    1,996,998.60x = 2,993,857.65 × 860,633.40
  4. Step 4: Simplify right side
    1,996,998.60x = 2,576,613,888,435.51
  5. Step 5: Solve for x
    x = 2,576,613,888,435.51/1,996,998.60
  6. Step 6: Final answer
    x = 1,290,243.21

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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.