Home / 1,855,065.21-2,559,984.33-1,028,191.56

Finding the Fourth Proportional to 1,855,065.21, 2,559,984.33 and 1,028,191.56

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Solution

The fourth proportional to 1,855,065.21, 2,559,984.33 and 1,028,191.56 is: 1,418,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,065.21 : 2,559,984.33 = 1,028,191.56 : x
  2. Step 2: Convert to fraction form
    1,855,065.21/2,559,984.33 = 1,028,191.56/x
  3. Step 3: Cross multiply
    1,855,065.21x = 2,559,984.33 × 1,028,191.56
  4. Step 4: Simplify right side
    1,855,065.21x = 2,632,154,281,838.26
  5. Step 5: Solve for x
    x = 2,632,154,281,838.26/1,855,065.21
  6. Step 6: Final answer
    x = 1,418,901.22

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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.