Home / 1,814,421.39-2,720,106.64-1,213,548.61

Finding the Fourth Proportional to 1,814,421.39, 2,720,106.64 and 1,213,548.61

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Solution

The fourth proportional to 1,814,421.39, 2,720,106.64 and 1,213,548.61 is: 1,819,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,421.39 : 2,720,106.64 = 1,213,548.61 : x
  2. Step 2: Convert to fraction form
    1,814,421.39/2,720,106.64 = 1,213,548.61/x
  3. Step 3: Cross multiply
    1,814,421.39x = 2,720,106.64 × 1,213,548.61
  4. Step 4: Simplify right side
    1,814,421.39x = 3,300,981,620,777.11
  5. Step 5: Solve for x
    x = 3,300,981,620,777.11/1,814,421.39
  6. Step 6: Final answer
    x = 1,819,302.64

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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.