Home / 3,388,620.72-4,676,275.53-1,938,340.38

Finding the Fourth Proportional to 3,388,620.72, 4,676,275.53 and 1,938,340.38

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Solution

The fourth proportional to 3,388,620.72, 4,676,275.53 and 1,938,340.38 is: 2,674,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,620.72 : 4,676,275.53 = 1,938,340.38 : x
  2. Step 2: Convert to fraction form
    3,388,620.72/4,676,275.53 = 1,938,340.38/x
  3. Step 3: Cross multiply
    3,388,620.72x = 4,676,275.53 × 1,938,340.38
  4. Step 4: Simplify right side
    3,388,620.72x = 9,064,213,687,804.90
  5. Step 5: Solve for x
    x = 9,064,213,687,804.90/3,388,620.72
  6. Step 6: Final answer
    x = 2,674,897.68

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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.