Home / 1,978,452.80-2,730,265.08-1,118,994.80

Finding the Fourth Proportional to 1,978,452.80, 2,730,265.08 and 1,118,994.80

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Solution

The fourth proportional to 1,978,452.80, 2,730,265.08 and 1,118,994.80 is: 1,544,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,452.80 : 2,730,265.08 = 1,118,994.80 : x
  2. Step 2: Convert to fraction form
    1,978,452.80/2,730,265.08 = 1,118,994.80/x
  3. Step 3: Cross multiply
    1,978,452.80x = 2,730,265.08 × 1,118,994.80
  4. Step 4: Simplify right side
    1,978,452.80x = 3,055,152,427,141.58
  5. Step 5: Solve for x
    x = 3,055,152,427,141.58/1,978,452.80
  6. Step 6: Final answer
    x = 1,544,212.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.