Home / 2,180,709.40-3,271,551.95-664,511

Finding the Fourth Proportional to 2,180,709.40, 3,271,551.95 and 664,511

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Solution

The fourth proportional to 2,180,709.40, 3,271,551.95 and 664,511 is: 996,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,709.40 : 3,271,551.95 = 664,511 : x
  2. Step 2: Convert to fraction form
    2,180,709.40/3,271,551.95 = 664,511/x
  3. Step 3: Cross multiply
    2,180,709.40x = 3,271,551.95 × 664,511
  4. Step 4: Simplify right side
    2,180,709.40x = 2,173,982,257,846.45
  5. Step 5: Solve for x
    x = 2,173,982,257,846.45/2,180,709.40
  6. Step 6: Final answer
    x = 996,915.16

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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.