Home / 2,212,225.83-3,318,349.28-772,903.22

Finding the Fourth Proportional to 2,212,225.83, 3,318,349.28 and 772,903.22

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Solution

The fourth proportional to 2,212,225.83, 3,318,349.28 and 772,903.22 is: 1,159,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,225.83 : 3,318,349.28 = 772,903.22 : x
  2. Step 2: Convert to fraction form
    2,212,225.83/3,318,349.28 = 772,903.22/x
  3. Step 3: Cross multiply
    2,212,225.83x = 3,318,349.28 × 772,903.22
  4. Step 4: Simplify right side
    2,212,225.83x = 2,564,762,823,140.42
  5. Step 5: Solve for x
    x = 2,564,762,823,140.42/2,212,225.83
  6. Step 6: Final answer
    x = 1,159,358.50

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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.