Home / 3,603,339.90-4,972,566.78-1,971,728.55

Finding the Fourth Proportional to 3,603,339.90, 4,972,566.78 and 1,971,728.55

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Solution

The fourth proportional to 3,603,339.90, 4,972,566.78 and 1,971,728.55 is: 2,720,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,339.90 : 4,972,566.78 = 1,971,728.55 : x
  2. Step 2: Convert to fraction form
    3,603,339.90/4,972,566.78 = 1,971,728.55/x
  3. Step 3: Cross multiply
    3,603,339.90x = 4,972,566.78 × 1,971,728.55
  4. Step 4: Simplify right side
    3,603,339.90x = 9,804,551,886,907.57
  5. Step 5: Solve for x
    x = 9,804,551,886,907.57/3,603,339.90
  6. Step 6: Final answer
    x = 2,720,962.26

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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.