Home / 1,664,995.12-2,297,692.34-939,849.10

Finding the Fourth Proportional to 1,664,995.12, 2,297,692.34 and 939,849.10

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Solution

The fourth proportional to 1,664,995.12, 2,297,692.34 and 939,849.10 is: 1,296,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,995.12 : 2,297,692.34 = 939,849.10 : x
  2. Step 2: Convert to fraction form
    1,664,995.12/2,297,692.34 = 939,849.10/x
  3. Step 3: Cross multiply
    1,664,995.12x = 2,297,692.34 × 939,849.10
  4. Step 4: Simplify right side
    1,664,995.12x = 2,159,484,070,906.85
  5. Step 5: Solve for x
    x = 2,159,484,070,906.85/1,664,995.12
  6. Step 6: Final answer
    x = 1,296,991.23

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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.