Home / 2,127,579.96-2,935,769.58-1,222,161.72

Finding the Fourth Proportional to 2,127,579.96, 2,935,769.58 and 1,222,161.72

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Solution

The fourth proportional to 2,127,579.96, 2,935,769.58 and 1,222,161.72 is: 1,686,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,579.96 : 2,935,769.58 = 1,222,161.72 : x
  2. Step 2: Convert to fraction form
    2,127,579.96/2,935,769.58 = 1,222,161.72/x
  3. Step 3: Cross multiply
    2,127,579.96x = 2,935,769.58 × 1,222,161.72
  4. Step 4: Simplify right side
    2,127,579.96x = 3,587,985,199,416.48
  5. Step 5: Solve for x
    x = 3,587,985,199,416.48/2,127,579.96
  6. Step 6: Final answer
    x = 1,686,416.15

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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.