Home / 3,102,011.70-4,653,163.35-972,165.30

Finding the Fourth Proportional to 3,102,011.70, 4,653,163.35 and 972,165.30

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Solution

The fourth proportional to 3,102,011.70, 4,653,163.35 and 972,165.30 is: 1,458,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,011.70 : 4,653,163.35 = 972,165.30 : x
  2. Step 2: Convert to fraction form
    3,102,011.70/4,653,163.35 = 972,165.30/x
  3. Step 3: Cross multiply
    3,102,011.70x = 4,653,163.35 × 972,165.30
  4. Step 4: Simplify right side
    3,102,011.70x = 4,523,643,944,101.76
  5. Step 5: Solve for x
    x = 4,523,643,944,101.76/3,102,011.70
  6. Step 6: Final answer
    x = 1,458,293.64

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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.