Home / 7,121,835.78-10,682,767.04-1,730,490.77

Finding the Fourth Proportional to 7,121,835.78, 10,682,767.04 and 1,730,490.77

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Solution

The fourth proportional to 7,121,835.78, 10,682,767.04 and 1,730,490.77 is: 2,595,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,835.78 : 10,682,767.04 = 1,730,490.77 : x
  2. Step 2: Convert to fraction form
    7,121,835.78/10,682,767.04 = 1,730,490.77/x
  3. Step 3: Cross multiply
    7,121,835.78x = 10,682,767.04 × 1,730,490.77
  4. Step 4: Simplify right side
    7,121,835.78x = 18,486,429,698,713.93
  5. Step 5: Solve for x
    x = 18,486,429,698,713.93/7,121,835.78
  6. Step 6: Final answer
    x = 2,595,739.39

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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.