Home / 3,102,428.10-4,653,643.52-972,678.29

Finding the Fourth Proportional to 3,102,428.10, 4,653,643.52 and 972,678.29

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Solution

The fourth proportional to 3,102,428.10, 4,653,643.52 and 972,678.29 is: 1,459,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,428.10 : 4,653,643.52 = 972,678.29 : x
  2. Step 2: Convert to fraction form
    3,102,428.10/4,653,643.52 = 972,678.29/x
  3. Step 3: Cross multiply
    3,102,428.10x = 4,653,643.52 × 972,678.29
  4. Step 4: Simplify right side
    3,102,428.10x = 4,526,497,993,171.57
  5. Step 5: Solve for x
    x = 4,526,497,993,171.57/3,102,428.10
  6. Step 6: Final answer
    x = 1,459,017.86

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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.