Home / 5,485,681.82-8,229,064.12-1,890,975.52

Finding the Fourth Proportional to 5,485,681.82, 8,229,064.12 and 1,890,975.52

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Solution

The fourth proportional to 5,485,681.82, 8,229,064.12 and 1,890,975.52 is: 2,836,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,681.82 : 8,229,064.12 = 1,890,975.52 : x
  2. Step 2: Convert to fraction form
    5,485,681.82/8,229,064.12 = 1,890,975.52/x
  3. Step 3: Cross multiply
    5,485,681.82x = 8,229,064.12 × 1,890,975.52
  4. Step 4: Simplify right side
    5,485,681.82x = 15,560,958,803,430.34
  5. Step 5: Solve for x
    x = 15,560,958,803,430.34/5,485,681.82
  6. Step 6: Final answer
    x = 2,836,649.90

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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.