Home / 3,210,178.84-4,815,437.54-814,044.16

Finding the Fourth Proportional to 3,210,178.84, 4,815,437.54 and 814,044.16

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Solution

The fourth proportional to 3,210,178.84, 4,815,437.54 and 814,044.16 is: 1,221,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,178.84 : 4,815,437.54 = 814,044.16 : x
  2. Step 2: Convert to fraction form
    3,210,178.84/4,815,437.54 = 814,044.16/x
  3. Step 3: Cross multiply
    3,210,178.84x = 4,815,437.54 × 814,044.16
  4. Step 4: Simplify right side
    3,210,178.84x = 3,919,978,807,281.77
  5. Step 5: Solve for x
    x = 3,919,978,807,281.77/3,210,178.84
  6. Step 6: Final answer
    x = 1,221,109.17

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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.