Home / 1,961,548.28-2,708,144.28-1,555,291.16

Finding the Fourth Proportional to 1,961,548.28, 2,708,144.28 and 1,555,291.16

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Solution

The fourth proportional to 1,961,548.28, 2,708,144.28 and 1,555,291.16 is: 2,147,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,548.28 : 2,708,144.28 = 1,555,291.16 : x
  2. Step 2: Convert to fraction form
    1,961,548.28/2,708,144.28 = 1,555,291.16/x
  3. Step 3: Cross multiply
    1,961,548.28x = 2,708,144.28 × 1,555,291.16
  4. Step 4: Simplify right side
    1,961,548.28x = 4,211,952,858,688.56
  5. Step 5: Solve for x
    x = 4,211,952,858,688.56/1,961,548.28
  6. Step 6: Final answer
    x = 2,147,259.34

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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.