Home / 5,201,142.40-7,801,713.60-3,185,603.20

Finding the Fourth Proportional to 5,201,142.40, 7,801,713.60 and 3,185,603.20

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Solution

The fourth proportional to 5,201,142.40, 7,801,713.60 and 3,185,603.20 is: 4,778,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,142.40 : 7,801,713.60 = 3,185,603.20 : x
  2. Step 2: Convert to fraction form
    5,201,142.40/7,801,713.60 = 3,185,603.20/x
  3. Step 3: Cross multiply
    5,201,142.40x = 7,801,713.60 × 3,185,603.20
  4. Step 4: Simplify right side
    5,201,142.40x = 24,853,163,809,643.52
  5. Step 5: Solve for x
    x = 24,853,163,809,643.52/5,201,142.40
  6. Step 6: Final answer
    x = 4,778,404.80

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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.