Home / 2,235,289.42-3,353,434.08-815,345.56

Finding the Fourth Proportional to 2,235,289.42, 3,353,434.08 and 815,345.56

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Solution

The fourth proportional to 2,235,289.42, 3,353,434.08 and 815,345.56 is: 1,223,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,289.42 : 3,353,434.08 = 815,345.56 : x
  2. Step 2: Convert to fraction form
    2,235,289.42/3,353,434.08 = 815,345.56/x
  3. Step 3: Cross multiply
    2,235,289.42x = 3,353,434.08 × 815,345.56
  4. Step 4: Simplify right side
    2,235,289.42x = 2,734,207,587,880.69
  5. Step 5: Solve for x
    x = 2,734,207,587,880.69/2,235,289.42
  6. Step 6: Final answer
    x = 1,223,200.70

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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.