Home / 2,309,707.89-3,187,417.51-1,277,285.54

Finding the Fourth Proportional to 2,309,707.89, 3,187,417.51 and 1,277,285.54

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Solution

The fourth proportional to 2,309,707.89, 3,187,417.51 and 1,277,285.54 is: 1,762,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,707.89 : 3,187,417.51 = 1,277,285.54 : x
  2. Step 2: Convert to fraction form
    2,309,707.89/3,187,417.51 = 1,277,285.54/x
  3. Step 3: Cross multiply
    2,309,707.89x = 3,187,417.51 × 1,277,285.54
  4. Step 4: Simplify right side
    2,309,707.89x = 4,071,242,276,335.50
  5. Step 5: Solve for x
    x = 4,071,242,276,335.50/2,309,707.89
  6. Step 6: Final answer
    x = 1,762,665.44

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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.