Home / 1,861,187.22-2,567,784.28-1,216,984.50

Finding the Fourth Proportional to 1,861,187.22, 2,567,784.28 and 1,216,984.50

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Solution

The fourth proportional to 1,861,187.22, 2,567,784.28 and 1,216,984.50 is: 1,679,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,187.22 : 2,567,784.28 = 1,216,984.50 : x
  2. Step 2: Convert to fraction form
    1,861,187.22/2,567,784.28 = 1,216,984.50/x
  3. Step 3: Cross multiply
    1,861,187.22x = 2,567,784.28 × 1,216,984.50
  4. Step 4: Simplify right side
    1,861,187.22x = 3,124,953,668,103.66
  5. Step 5: Solve for x
    x = 3,124,953,668,103.66/1,861,187.22
  6. Step 6: Final answer
    x = 1,679,010.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.