Home / 2,127,576.96-2,935,765.44-1,222,158.72

Finding the Fourth Proportional to 2,127,576.96, 2,935,765.44 and 1,222,158.72

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Solution

The fourth proportional to 2,127,576.96, 2,935,765.44 and 1,222,158.72 is: 1,686,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,576.96 : 2,935,765.44 = 1,222,158.72 : x
  2. Step 2: Convert to fraction form
    2,127,576.96/2,935,765.44 = 1,222,158.72/x
  3. Step 3: Cross multiply
    2,127,576.96x = 2,935,765.44 × 1,222,158.72
  4. Step 4: Simplify right side
    2,127,576.96x = 3,587,971,332,370.64
  5. Step 5: Solve for x
    x = 3,587,971,332,370.64/2,127,576.96
  6. Step 6: Final answer
    x = 1,686,412.01

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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.