Home / 3,532,962.40-5,300,998.80-1,638,728.80

Finding the Fourth Proportional to 3,532,962.40, 5,300,998.80 and 1,638,728.80

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Solution

The fourth proportional to 3,532,962.40, 5,300,998.80 and 1,638,728.80 is: 2,458,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,962.40 : 5,300,998.80 = 1,638,728.80 : x
  2. Step 2: Convert to fraction form
    3,532,962.40/5,300,998.80 = 1,638,728.80/x
  3. Step 3: Cross multiply
    3,532,962.40x = 5,300,998.80 × 1,638,728.80
  4. Step 4: Simplify right side
    3,532,962.40x = 8,686,899,402,325.44
  5. Step 5: Solve for x
    x = 8,686,899,402,325.44/3,532,962.40
  6. Step 6: Final answer
    x = 2,458,814.56

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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.