Home / 3,872,075.22-5,343,593.22-2,129,818.14

Finding the Fourth Proportional to 3,872,075.22, 5,343,593.22 and 2,129,818.14

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Solution

The fourth proportional to 3,872,075.22, 5,343,593.22 and 2,129,818.14 is: 2,939,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,075.22 : 5,343,593.22 = 2,129,818.14 : x
  2. Step 2: Convert to fraction form
    3,872,075.22/5,343,593.22 = 2,129,818.14/x
  3. Step 3: Cross multiply
    3,872,075.22x = 5,343,593.22 × 2,129,818.14
  4. Step 4: Simplify right side
    3,872,075.22x = 11,380,881,772,737.01
  5. Step 5: Solve for x
    x = 11,380,881,772,737.01/3,872,075.22
  6. Step 6: Final answer
    x = 2,939,220.22

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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.