Home / 2,256,408.12-3,113,824.91-1,223,913.34

Finding the Fourth Proportional to 2,256,408.12, 3,113,824.91 and 1,223,913.34

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Solution

The fourth proportional to 2,256,408.12, 3,113,824.91 and 1,223,913.34 is: 1,688,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,408.12 : 3,113,824.91 = 1,223,913.34 : x
  2. Step 2: Convert to fraction form
    2,256,408.12/3,113,824.91 = 1,223,913.34/x
  3. Step 3: Cross multiply
    2,256,408.12x = 3,113,824.91 × 1,223,913.34
  4. Step 4: Simplify right side
    2,256,408.12x = 3,811,051,831,869.17
  5. Step 5: Solve for x
    x = 3,811,051,831,869.17/2,256,408.12
  6. Step 6: Final answer
    x = 1,688,990.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.