Home / 3,780,866.10-5,674,985.55-1,889,742.90

Finding the Fourth Proportional to 3,780,866.10, 5,674,985.55 and 1,889,742.90

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Solution

The fourth proportional to 3,780,866.10, 5,674,985.55 and 1,889,742.90 is: 2,836,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,866.10 : 5,674,985.55 = 1,889,742.90 : x
  2. Step 2: Convert to fraction form
    3,780,866.10/5,674,985.55 = 1,889,742.90/x
  3. Step 3: Cross multiply
    3,780,866.10x = 5,674,985.55 × 1,889,742.90
  4. Step 4: Simplify right side
    3,780,866.10x = 10,724,263,650,715.09
  5. Step 5: Solve for x
    x = 10,724,263,650,715.09/3,780,866.10
  6. Step 6: Final answer
    x = 2,836,456.88

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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.