Home / 3,125,439.68-4,688,340.96-1,206,361.76

Finding the Fourth Proportional to 3,125,439.68, 4,688,340.96 and 1,206,361.76

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Solution

The fourth proportional to 3,125,439.68, 4,688,340.96 and 1,206,361.76 is: 1,809,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,439.68 : 4,688,340.96 = 1,206,361.76 : x
  2. Step 2: Convert to fraction form
    3,125,439.68/4,688,340.96 = 1,206,361.76/x
  3. Step 3: Cross multiply
    3,125,439.68x = 4,688,340.96 × 1,206,361.76
  4. Step 4: Simplify right side
    3,125,439.68x = 5,655,835,251,985.69
  5. Step 5: Solve for x
    x = 5,655,835,251,985.69/3,125,439.68
  6. Step 6: Final answer
    x = 1,809,612.67

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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.