Home / 5,318,952.36-7,978,428.18-1,329,864.36

Finding the Fourth Proportional to 5,318,952.36, 7,978,428.18 and 1,329,864.36

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Solution

The fourth proportional to 5,318,952.36, 7,978,428.18 and 1,329,864.36 is: 1,994,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,952.36 : 7,978,428.18 = 1,329,864.36 : x
  2. Step 2: Convert to fraction form
    5,318,952.36/7,978,428.18 = 1,329,864.36/x
  3. Step 3: Cross multiply
    5,318,952.36x = 7,978,428.18 × 1,329,864.36
  4. Step 4: Simplify right side
    5,318,952.36x = 10,610,227,285,401.67
  5. Step 5: Solve for x
    x = 10,610,227,285,401.67/5,318,952.36
  6. Step 6: Final answer
    x = 1,994,796.45

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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.