Home / 1,819,920.30-2,729,880.45-1,784,490.90

Finding the Fourth Proportional to 1,819,920.30, 2,729,880.45 and 1,784,490.90

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Solution

The fourth proportional to 1,819,920.30, 2,729,880.45 and 1,784,490.90 is: 2,676,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,920.30 : 2,729,880.45 = 1,784,490.90 : x
  2. Step 2: Convert to fraction form
    1,819,920.30/2,729,880.45 = 1,784,490.90/x
  3. Step 3: Cross multiply
    1,819,920.30x = 2,729,880.45 × 1,784,490.90
  4. Step 4: Simplify right side
    1,819,920.30x = 4,871,446,821,112.91
  5. Step 5: Solve for x
    x = 4,871,446,821,112.91/1,819,920.30
  6. Step 6: Final answer
    x = 2,676,736.35

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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.