Home / 4,191,939.36-6,289,133.76-1,351,988.64

Finding the Fourth Proportional to 4,191,939.36, 6,289,133.76 and 1,351,988.64

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Solution

The fourth proportional to 4,191,939.36, 6,289,133.76 and 1,351,988.64 is: 2,028,377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191,939.36 : 6,289,133.76 = 1,351,988.64 : x
  2. Step 2: Convert to fraction form
    4,191,939.36/6,289,133.76 = 1,351,988.64/x
  3. Step 3: Cross multiply
    4,191,939.36x = 6,289,133.76 × 1,351,988.64
  4. Step 4: Simplify right side
    4,191,939.36x = 8,502,837,398,960.49
  5. Step 5: Solve for x
    x = 8,502,837,398,960.49/4,191,939.36
  6. Step 6: Final answer
    x = 2,028,377.96

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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.