Home / 3,210,190.81-4,815,455.54-814,056.17

Finding the Fourth Proportional to 3,210,190.81, 4,815,455.54 and 814,056.17

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Solution

The fourth proportional to 3,210,190.81, 4,815,455.54 and 814,056.17 is: 1,221,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,190.81 : 4,815,455.54 = 814,056.17 : x
  2. Step 2: Convert to fraction form
    3,210,190.81/4,815,455.54 = 814,056.17/x
  3. Step 3: Cross multiply
    3,210,190.81x = 4,815,455.54 × 814,056.17
  4. Step 4: Simplify right side
    3,210,190.81x = 3,920,051,265,550.12
  5. Step 5: Solve for x
    x = 3,920,051,265,550.12/3,210,190.81
  6. Step 6: Final answer
    x = 1,221,127.19

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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.