Home / 3,135,764.80-4,702,480.80-1,242,114.40

Finding the Fourth Proportional to 3,135,764.80, 4,702,480.80 and 1,242,114.40

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Solution

The fourth proportional to 3,135,764.80, 4,702,480.80 and 1,242,114.40 is: 1,862,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,764.80 : 4,702,480.80 = 1,242,114.40 : x
  2. Step 2: Convert to fraction form
    3,135,764.80/4,702,480.80 = 1,242,114.40/x
  3. Step 3: Cross multiply
    3,135,764.80x = 4,702,480.80 × 1,242,114.40
  4. Step 4: Simplify right side
    3,135,764.80x = 5,841,019,117,403.52
  5. Step 5: Solve for x
    x = 5,841,019,117,403.52/3,135,764.80
  6. Step 6: Final answer
    x = 1,862,709.57

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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.