Home / 2,127,056.72-2,935,347.41-1,160,207.78

Finding the Fourth Proportional to 2,127,056.72, 2,935,347.41 and 1,160,207.78

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Solution

The fourth proportional to 2,127,056.72, 2,935,347.41 and 1,160,207.78 is: 1,601,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,056.72 : 2,935,347.41 = 1,160,207.78 : x
  2. Step 2: Convert to fraction form
    2,127,056.72/2,935,347.41 = 1,160,207.78/x
  3. Step 3: Cross multiply
    2,127,056.72x = 2,935,347.41 × 1,160,207.78
  4. Step 4: Simplify right side
    2,127,056.72x = 3,405,612,890,308.63
  5. Step 5: Solve for x
    x = 3,405,612,890,308.63/2,127,056.72
  6. Step 6: Final answer
    x = 1,601,091.72

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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.