Home / 5,180,786.96-7,771,195.02-1,814,206.64

Finding the Fourth Proportional to 5,180,786.96, 7,771,195.02 and 1,814,206.64

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Solution

The fourth proportional to 5,180,786.96, 7,771,195.02 and 1,814,206.64 is: 2,721,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,786.96 : 7,771,195.02 = 1,814,206.64 : x
  2. Step 2: Convert to fraction form
    5,180,786.96/7,771,195.02 = 1,814,206.64/x
  3. Step 3: Cross multiply
    5,180,786.96x = 7,771,195.02 × 1,814,206.64
  4. Step 4: Simplify right side
    5,180,786.96x = 14,098,553,606,018.93
  5. Step 5: Solve for x
    x = 14,098,553,606,018.93/5,180,786.96
  6. Step 6: Final answer
    x = 2,721,315.07

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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.