Home / 3,532,938.40-5,300,962.80-1,638,704.80

Finding the Fourth Proportional to 3,532,938.40, 5,300,962.80 and 1,638,704.80

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Solution

The fourth proportional to 3,532,938.40, 5,300,962.80 and 1,638,704.80 is: 2,458,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,938.40 : 5,300,962.80 = 1,638,704.80 : x
  2. Step 2: Convert to fraction form
    3,532,938.40/5,300,962.80 = 1,638,704.80/x
  3. Step 3: Cross multiply
    3,532,938.40x = 5,300,962.80 × 1,638,704.80
  4. Step 4: Simplify right side
    3,532,938.40x = 8,686,713,184,981.44
  5. Step 5: Solve for x
    x = 8,686,713,184,981.44/3,532,938.40
  6. Step 6: Final answer
    x = 2,458,778.56

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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.