Home / 2,141,666.52-3,211,466.38-1,243,334.40

Finding the Fourth Proportional to 2,141,666.52, 3,211,466.38 and 1,243,334.40

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Solution

The fourth proportional to 2,141,666.52, 3,211,466.38 and 1,243,334.40 is: 1,864,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,666.52 : 3,211,466.38 = 1,243,334.40 : x
  2. Step 2: Convert to fraction form
    2,141,666.52/3,211,466.38 = 1,243,334.40/x
  3. Step 3: Cross multiply
    2,141,666.52x = 3,211,466.38 × 1,243,334.40
  4. Step 4: Simplify right side
    2,141,666.52x = 3,992,926,624,697.47
  5. Step 5: Solve for x
    x = 3,992,926,624,697.47/2,141,666.52
  6. Step 6: Final answer
    x = 1,864,401.66

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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.