Home / 2,628,334.90-3,943,814.55-1,491,969.70

Finding the Fourth Proportional to 2,628,334.90, 3,943,814.55 and 1,491,969.70

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Solution

The fourth proportional to 2,628,334.90, 3,943,814.55 and 1,491,969.70 is: 2,238,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,334.90 : 3,943,814.55 = 1,491,969.70 : x
  2. Step 2: Convert to fraction form
    2,628,334.90/3,943,814.55 = 1,491,969.70/x
  3. Step 3: Cross multiply
    2,628,334.90x = 3,943,814.55 × 1,491,969.70
  4. Step 4: Simplify right side
    2,628,334.90x = 5,884,051,811,019.14
  5. Step 5: Solve for x
    x = 5,884,051,811,019.14/2,628,334.90
  6. Step 6: Final answer
    x = 2,238,699.42

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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.