Home / 1,927,401.48-2,889,177.66-1,288,243.56

Finding the Fourth Proportional to 1,927,401.48, 2,889,177.66 and 1,288,243.56

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Solution

The fourth proportional to 1,927,401.48, 2,889,177.66 and 1,288,243.56 is: 1,931,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,401.48 : 2,889,177.66 = 1,288,243.56 : x
  2. Step 2: Convert to fraction form
    1,927,401.48/2,889,177.66 = 1,288,243.56/x
  3. Step 3: Cross multiply
    1,927,401.48x = 2,889,177.66 × 1,288,243.56
  4. Step 4: Simplify right side
    1,927,401.48x = 3,721,964,514,190.87
  5. Step 5: Solve for x
    x = 3,721,964,514,190.87/1,927,401.48
  6. Step 6: Final answer
    x = 1,931,079.00

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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.