Home / 2,988,015.60-4,476,677.40-1,817,403.60

Finding the Fourth Proportional to 2,988,015.60, 4,476,677.40 and 1,817,403.60

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Solution

The fourth proportional to 2,988,015.60, 4,476,677.40 and 1,817,403.60 is: 2,722,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,015.60 : 4,476,677.40 = 1,817,403.60 : x
  2. Step 2: Convert to fraction form
    2,988,015.60/4,476,677.40 = 1,817,403.60/x
  3. Step 3: Cross multiply
    2,988,015.60x = 4,476,677.40 × 1,817,403.60
  4. Step 4: Simplify right side
    2,988,015.60x = 8,135,929,622,798.64
  5. Step 5: Solve for x
    x = 8,135,929,622,798.64/2,988,015.60
  6. Step 6: Final answer
    x = 2,722,853.80

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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.