Home / 1,855,071.20-2,559,992.60-1,028,197.56

Finding the Fourth Proportional to 1,855,071.20, 2,559,992.60 and 1,028,197.56

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Solution

The fourth proportional to 1,855,071.20, 2,559,992.60 and 1,028,197.56 is: 1,418,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,071.20 : 2,559,992.60 = 1,028,197.56 : x
  2. Step 2: Convert to fraction form
    1,855,071.20/2,559,992.60 = 1,028,197.56/x
  3. Step 3: Cross multiply
    1,855,071.20x = 2,559,992.60 × 1,028,197.56
  4. Step 4: Simplify right side
    1,855,071.20x = 2,632,178,144,938.06
  5. Step 5: Solve for x
    x = 2,632,178,144,938.06/1,855,071.20
  6. Step 6: Final answer
    x = 1,418,909.50

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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.