Home / 3,521,879.07-5,285,186.03-1,247,395.42

Finding the Fourth Proportional to 3,521,879.07, 5,285,186.03 and 1,247,395.42

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Solution

The fourth proportional to 3,521,879.07, 5,285,186.03 and 1,247,395.42 is: 1,871,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,879.07 : 5,285,186.03 = 1,247,395.42 : x
  2. Step 2: Convert to fraction form
    3,521,879.07/5,285,186.03 = 1,247,395.42/x
  3. Step 3: Cross multiply
    3,521,879.07x = 5,285,186.03 × 1,247,395.42
  4. Step 4: Simplify right side
    3,521,879.07x = 6,592,716,847,669.98
  5. Step 5: Solve for x
    x = 6,592,716,847,669.98/3,521,879.07
  6. Step 6: Final answer
    x = 1,871,931.64

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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.