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Finding the Fourth Proportional to 2,739,322.16, 4,109,543.67 and 941,972.21

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Solution

The fourth proportional to 2,739,322.16, 4,109,543.67 and 941,972.21 is: 1,413,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,322.16 : 4,109,543.67 = 941,972.21 : x
  2. Step 2: Convert to fraction form
    2,739,322.16/4,109,543.67 = 941,972.21/x
  3. Step 3: Cross multiply
    2,739,322.16x = 4,109,543.67 × 941,972.21
  4. Step 4: Simplify right side
    2,739,322.16x = 3,871,075,932,921.41
  5. Step 5: Solve for x
    x = 3,871,075,932,921.41/2,739,322.16
  6. Step 6: Final answer
    x = 1,413,151.03

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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.