Home / 2,163,287.16-3,242,642.46-814,866.30

Finding the Fourth Proportional to 2,163,287.16, 3,242,642.46 and 814,866.30

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Solution

The fourth proportional to 2,163,287.16, 3,242,642.46 and 814,866.30 is: 1,221,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,287.16 : 3,242,642.46 = 814,866.30 : x
  2. Step 2: Convert to fraction form
    2,163,287.16/3,242,642.46 = 814,866.30/x
  3. Step 3: Cross multiply
    2,163,287.16x = 3,242,642.46 × 814,866.30
  4. Step 4: Simplify right side
    2,163,287.16x = 2,642,320,063,603.10
  5. Step 5: Solve for x
    x = 2,642,320,063,603.10/2,163,287.16
  6. Step 6: Final answer
    x = 1,221,437.50

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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.