Home / 2,138,526.96-2,951,167.14-1,171,693.86

Finding the Fourth Proportional to 2,138,526.96, 2,951,167.14 and 1,171,693.86

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Solution

The fourth proportional to 2,138,526.96, 2,951,167.14 and 1,171,693.86 is: 1,616,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,526.96 : 2,951,167.14 = 1,171,693.86 : x
  2. Step 2: Convert to fraction form
    2,138,526.96/2,951,167.14 = 1,171,693.86/x
  3. Step 3: Cross multiply
    2,138,526.96x = 2,951,167.14 × 1,171,693.86
  4. Step 4: Simplify right side
    2,138,526.96x = 3,457,864,417,771.76
  5. Step 5: Solve for x
    x = 3,457,864,417,771.76/2,138,526.96
  6. Step 6: Final answer
    x = 1,616,937.49

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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.