Home / 1,998,347.55-2,994,076.80-931,200.90

Finding the Fourth Proportional to 1,998,347.55, 2,994,076.80 and 931,200.90

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Solution

The fourth proportional to 1,998,347.55, 2,994,076.80 and 931,200.90 is: 1,395,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,347.55 : 2,994,076.80 = 931,200.90 : x
  2. Step 2: Convert to fraction form
    1,998,347.55/2,994,076.80 = 931,200.90/x
  3. Step 3: Cross multiply
    1,998,347.55x = 2,994,076.80 × 931,200.90
  4. Step 4: Simplify right side
    1,998,347.55x = 2,788,087,010,829.12
  5. Step 5: Solve for x
    x = 2,788,087,010,829.12/1,998,347.55
  6. Step 6: Final answer
    x = 1,395,196.25

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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.