Home / 2,688,439.68-4,033,057.41-866,193.91

Finding the Fourth Proportional to 2,688,439.68, 4,033,057.41 and 866,193.91

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Solution

The fourth proportional to 2,688,439.68, 4,033,057.41 and 866,193.91 is: 1,299,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,439.68 : 4,033,057.41 = 866,193.91 : x
  2. Step 2: Convert to fraction form
    2,688,439.68/4,033,057.41 = 866,193.91/x
  3. Step 3: Cross multiply
    2,688,439.68x = 4,033,057.41 × 866,193.91
  4. Step 4: Simplify right side
    2,688,439.68x = 3,493,409,742,726.12
  5. Step 5: Solve for x
    x = 3,493,409,742,726.12/2,688,439.68
  6. Step 6: Final answer
    x = 1,299,419.06

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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.