Home / 4,289,255.87-6,434,973.66-1,215,243.35

Finding the Fourth Proportional to 4,289,255.87, 6,434,973.66 and 1,215,243.35

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Solution

The fourth proportional to 4,289,255.87, 6,434,973.66 and 1,215,243.35 is: 1,823,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289,255.87 : 6,434,973.66 = 1,215,243.35 : x
  2. Step 2: Convert to fraction form
    4,289,255.87/6,434,973.66 = 1,215,243.35/x
  3. Step 3: Cross multiply
    4,289,255.87x = 6,434,973.66 × 1,215,243.35
  4. Step 4: Simplify right side
    4,289,255.87x = 7,820,058,915,565.29
  5. Step 5: Solve for x
    x = 7,820,058,915,565.29/4,289,255.87
  6. Step 6: Final answer
    x = 1,823,173.80

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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.