Home / 3,219,761.36-4,831,856.46-1,326,502.76

Finding the Fourth Proportional to 3,219,761.36, 4,831,856.46 and 1,326,502.76

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Solution

The fourth proportional to 3,219,761.36, 4,831,856.46 and 1,326,502.76 is: 1,990,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,761.36 : 4,831,856.46 = 1,326,502.76 : x
  2. Step 2: Convert to fraction form
    3,219,761.36/4,831,856.46 = 1,326,502.76/x
  3. Step 3: Cross multiply
    3,219,761.36x = 4,831,856.46 × 1,326,502.76
  4. Step 4: Simplify right side
    3,219,761.36x = 6,409,470,930,113.83
  5. Step 5: Solve for x
    x = 6,409,470,930,113.83/3,219,761.36
  6. Step 6: Final answer
    x = 1,990,666.45

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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.