Home / 1,938,851.22-2,909,605.34-676,678.85

Finding the Fourth Proportional to 1,938,851.22, 2,909,605.34 and 676,678.85

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Solution

The fourth proportional to 1,938,851.22, 2,909,605.34 and 676,678.85 is: 1,015,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,851.22 : 2,909,605.34 = 676,678.85 : x
  2. Step 2: Convert to fraction form
    1,938,851.22/2,909,605.34 = 676,678.85/x
  3. Step 3: Cross multiply
    1,938,851.22x = 2,909,605.34 × 676,678.85
  4. Step 4: Simplify right side
    1,938,851.22x = 1,968,868,395,425.06
  5. Step 5: Solve for x
    x = 1,968,868,395,425.06/1,938,851.22
  6. Step 6: Final answer
    x = 1,015,481.94

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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.