Home / 1,687,365.84-2,329,651.62-1,505,765.46

Finding the Fourth Proportional to 1,687,365.84, 2,329,651.62 and 1,505,765.46

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Solution

The fourth proportional to 1,687,365.84, 2,329,651.62 and 1,505,765.46 is: 2,078,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,365.84 : 2,329,651.62 = 1,505,765.46 : x
  2. Step 2: Convert to fraction form
    1,687,365.84/2,329,651.62 = 1,505,765.46/x
  3. Step 3: Cross multiply
    1,687,365.84x = 2,329,651.62 × 1,505,765.46
  4. Step 4: Simplify right side
    1,687,365.84x = 3,507,908,943,229.05
  5. Step 5: Solve for x
    x = 3,507,908,943,229.05/1,687,365.84
  6. Step 6: Final answer
    x = 2,078,926.13

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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.