Home / 5,638,381.52-7,780,963.44-3,190,948.16

Finding the Fourth Proportional to 5,638,381.52, 7,780,963.44 and 3,190,948.16

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Solution

The fourth proportional to 5,638,381.52, 7,780,963.44 and 3,190,948.16 is: 4,403,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,381.52 : 7,780,963.44 = 3,190,948.16 : x
  2. Step 2: Convert to fraction form
    5,638,381.52/7,780,963.44 = 3,190,948.16/x
  3. Step 3: Cross multiply
    5,638,381.52x = 7,780,963.44 × 3,190,948.16
  4. Step 4: Simplify right side
    5,638,381.52x = 24,828,650,971,895.27
  5. Step 5: Solve for x
    x = 24,828,650,971,895.27/5,638,381.52
  6. Step 6: Final answer
    x = 4,403,506.73

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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.