Home / 3,549,705.21-4,898,593.07-1,918,112.52

Finding the Fourth Proportional to 3,549,705.21, 4,898,593.07 and 1,918,112.52

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Solution

The fourth proportional to 3,549,705.21, 4,898,593.07 and 1,918,112.52 is: 2,646,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,705.21 : 4,898,593.07 = 1,918,112.52 : x
  2. Step 2: Convert to fraction form
    3,549,705.21/4,898,593.07 = 1,918,112.52/x
  3. Step 3: Cross multiply
    3,549,705.21x = 4,898,593.07 × 1,918,112.52
  4. Step 4: Simplify right side
    3,549,705.21x = 9,396,052,697,952.24
  5. Step 5: Solve for x
    x = 9,396,052,697,952.24/3,549,705.21
  6. Step 6: Final answer
    x = 2,646,995.21

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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.