Home / 3,603,555.95-4,972,907.72-1,971,963.68

Finding the Fourth Proportional to 3,603,555.95, 4,972,907.72 and 1,971,963.68

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Solution

The fourth proportional to 3,603,555.95, 4,972,907.72 and 1,971,963.68 is: 2,721,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,555.95 : 4,972,907.72 = 1,971,963.68 : x
  2. Step 2: Convert to fraction form
    3,603,555.95/4,972,907.72 = 1,971,963.68/x
  3. Step 3: Cross multiply
    3,603,555.95x = 4,972,907.72 × 1,971,963.68
  4. Step 4: Simplify right side
    3,603,555.95x = 9,806,393,397,971.79
  5. Step 5: Solve for x
    x = 9,806,393,397,971.79/3,603,555.95
  6. Step 6: Final answer
    x = 2,721,310.15

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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.