Home / 3,102,428.30-4,653,643.79-972,678.47

Finding the Fourth Proportional to 3,102,428.30, 4,653,643.79 and 972,678.47

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Solution

The fourth proportional to 3,102,428.30, 4,653,643.79 and 972,678.47 is: 1,459,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,428.30 : 4,653,643.79 = 972,678.47 : x
  2. Step 2: Convert to fraction form
    3,102,428.30/4,653,643.79 = 972,678.47/x
  3. Step 3: Cross multiply
    3,102,428.30x = 4,653,643.79 × 972,678.47
  4. Step 4: Simplify right side
    3,102,428.30x = 4,526,499,100,745.68
  5. Step 5: Solve for x
    x = 4,526,499,100,745.68/3,102,428.30
  6. Step 6: Final answer
    x = 1,459,018.12

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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.