Home / 3,615,899.95-4,990,002.56-1,984,459.12

Finding the Fourth Proportional to 3,615,899.95, 4,990,002.56 and 1,984,459.12

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Solution

The fourth proportional to 3,615,899.95, 4,990,002.56 and 1,984,459.12 is: 2,738,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,899.95 : 4,990,002.56 = 1,984,459.12 : x
  2. Step 2: Convert to fraction form
    3,615,899.95/4,990,002.56 = 1,984,459.12/x
  3. Step 3: Cross multiply
    3,615,899.95x = 4,990,002.56 × 1,984,459.12
  4. Step 4: Simplify right side
    3,615,899.95x = 9,902,456,066,618.05
  5. Step 5: Solve for x
    x = 9,902,456,066,618.05/3,615,899.95
  6. Step 6: Final answer
    x = 2,738,586.86

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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.