Home / 1,961,551.28-2,708,148.42-1,555,294.16

Finding the Fourth Proportional to 1,961,551.28, 2,708,148.42 and 1,555,294.16

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Solution

The fourth proportional to 1,961,551.28, 2,708,148.42 and 1,555,294.16 is: 2,147,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,551.28 : 2,708,148.42 = 1,555,294.16 : x
  2. Step 2: Convert to fraction form
    1,961,551.28/2,708,148.42 = 1,555,294.16/x
  3. Step 3: Cross multiply
    1,961,551.28x = 2,708,148.42 × 1,555,294.16
  4. Step 4: Simplify right side
    1,961,551.28x = 4,211,967,422,039.23
  5. Step 5: Solve for x
    x = 4,211,967,422,039.23/1,961,551.28
  6. Step 6: Final answer
    x = 2,147,263.48

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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.