Home / 3,900,064.10-5,382,361.05-2,181,343.46

Finding the Fourth Proportional to 3,900,064.10, 5,382,361.05 and 2,181,343.46

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Solution

The fourth proportional to 3,900,064.10, 5,382,361.05 and 2,181,343.46 is: 3,010,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,064.10 : 5,382,361.05 = 2,181,343.46 : x
  2. Step 2: Convert to fraction form
    3,900,064.10/5,382,361.05 = 2,181,343.46/x
  3. Step 3: Cross multiply
    3,900,064.10x = 5,382,361.05 × 2,181,343.46
  4. Step 4: Simplify right side
    3,900,064.10x = 11,740,778,075,776.23
  5. Step 5: Solve for x
    x = 11,740,778,075,776.23/3,900,064.10
  6. Step 6: Final answer
    x = 3,010,406.44

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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.