Home / 2,174,123.79-3,260,173.23-806,945.40

Finding the Fourth Proportional to 2,174,123.79, 3,260,173.23 and 806,945.40

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Solution

The fourth proportional to 2,174,123.79, 3,260,173.23 and 806,945.40 is: 1,210,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,123.79 : 3,260,173.23 = 806,945.40 : x
  2. Step 2: Convert to fraction form
    2,174,123.79/3,260,173.23 = 806,945.40/x
  3. Step 3: Cross multiply
    2,174,123.79x = 3,260,173.23 × 806,945.40
  4. Step 4: Simplify right side
    2,174,123.79x = 2,630,781,791,151.64
  5. Step 5: Solve for x
    x = 2,630,781,791,151.64/2,174,123.79
  6. Step 6: Final answer
    x = 1,210,042.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.