Home / 1,932,915.40-2,898,336.30-809,715.40

Finding the Fourth Proportional to 1,932,915.40, 2,898,336.30 and 809,715.40

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Solution

The fourth proportional to 1,932,915.40, 2,898,336.30 and 809,715.40 is: 1,214,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,915.40 : 2,898,336.30 = 809,715.40 : x
  2. Step 2: Convert to fraction form
    1,932,915.40/2,898,336.30 = 809,715.40/x
  3. Step 3: Cross multiply
    1,932,915.40x = 2,898,336.30 × 809,715.40
  4. Step 4: Simplify right side
    1,932,915.40x = 2,346,827,536,489.02
  5. Step 5: Solve for x
    x = 2,346,827,536,489.02/1,932,915.40
  6. Step 6: Final answer
    x = 1,214,138.78

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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.