Home / 1,998,010.40-2,997,015.60-876,079.40

Finding the Fourth Proportional to 1,998,010.40, 2,997,015.60 and 876,079.40

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Solution

The fourth proportional to 1,998,010.40, 2,997,015.60 and 876,079.40 is: 1,314,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,010.40 : 2,997,015.60 = 876,079.40 : x
  2. Step 2: Convert to fraction form
    1,998,010.40/2,997,015.60 = 876,079.40/x
  3. Step 3: Cross multiply
    1,998,010.40x = 2,997,015.60 × 876,079.40
  4. Step 4: Simplify right side
    1,998,010.40x = 2,625,623,628,638.64
  5. Step 5: Solve for x
    x = 2,625,623,628,638.64/1,998,010.40
  6. Step 6: Final answer
    x = 1,314,119.10

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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.