Home / 2,116,437.52-3,174,177.50-978,579.68

Finding the Fourth Proportional to 2,116,437.52, 3,174,177.50 and 978,579.68

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Solution

The fourth proportional to 2,116,437.52, 3,174,177.50 and 978,579.68 is: 1,467,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,437.52 : 3,174,177.50 = 978,579.68 : x
  2. Step 2: Convert to fraction form
    2,116,437.52/3,174,177.50 = 978,579.68/x
  3. Step 3: Cross multiply
    2,116,437.52x = 3,174,177.50 × 978,579.68
  4. Step 4: Simplify right side
    2,116,437.52x = 3,106,185,602,213.20
  5. Step 5: Solve for x
    x = 3,106,185,602,213.20/2,116,437.52
  6. Step 6: Final answer
    x = 1,467,648.15

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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.