Home / 1,912,201.48-2,638,871.85-1,041,061.51

Finding the Fourth Proportional to 1,912,201.48, 2,638,871.85 and 1,041,061.51

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Solution

The fourth proportional to 1,912,201.48, 2,638,871.85 and 1,041,061.51 is: 1,436,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,201.48 : 2,638,871.85 = 1,041,061.51 : x
  2. Step 2: Convert to fraction form
    1,912,201.48/2,638,871.85 = 1,041,061.51/x
  3. Step 3: Cross multiply
    1,912,201.48x = 2,638,871.85 × 1,041,061.51
  4. Step 4: Simplify right side
    1,912,201.48x = 2,747,227,912,857.49
  5. Step 5: Solve for x
    x = 2,747,227,912,857.49/1,912,201.48
  6. Step 6: Final answer
    x = 1,436,683.29

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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.