Home / 1,912,240.80-2,868,361.20-1,800,047.70

Finding the Fourth Proportional to 1,912,240.80, 2,868,361.20 and 1,800,047.70

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Solution

The fourth proportional to 1,912,240.80, 2,868,361.20 and 1,800,047.70 is: 2,700,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,240.80 : 2,868,361.20 = 1,800,047.70 : x
  2. Step 2: Convert to fraction form
    1,912,240.80/2,868,361.20 = 1,800,047.70/x
  3. Step 3: Cross multiply
    1,912,240.80x = 2,868,361.20 × 1,800,047.70
  4. Step 4: Simplify right side
    1,912,240.80x = 5,163,186,980,829.24
  5. Step 5: Solve for x
    x = 5,163,186,980,829.24/1,912,240.80
  6. Step 6: Final answer
    x = 2,700,071.55

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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.