Home / 2,761,411.56-3,807,487.08-1,890,668.40

Finding the Fourth Proportional to 2,761,411.56, 3,807,487.08 and 1,890,668.40

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Solution

The fourth proportional to 2,761,411.56, 3,807,487.08 and 1,890,668.40 is: 2,606,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,411.56 : 3,807,487.08 = 1,890,668.40 : x
  2. Step 2: Convert to fraction form
    2,761,411.56/3,807,487.08 = 1,890,668.40/x
  3. Step 3: Cross multiply
    2,761,411.56x = 3,807,487.08 × 1,890,668.40
  4. Step 4: Simplify right side
    2,761,411.56x = 7,198,695,505,564.27
  5. Step 5: Solve for x
    x = 7,198,695,505,564.27/2,761,411.56
  6. Step 6: Final answer
    x = 2,606,889.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.