Home / 3,679,756.90-5,075,912.18-2,391,455.34

Finding the Fourth Proportional to 3,679,756.90, 5,075,912.18 and 2,391,455.34

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Solution

The fourth proportional to 3,679,756.90, 5,075,912.18 and 2,391,455.34 is: 3,298,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,756.90 : 5,075,912.18 = 2,391,455.34 : x
  2. Step 2: Convert to fraction form
    3,679,756.90/5,075,912.18 = 2,391,455.34/x
  3. Step 3: Cross multiply
    3,679,756.90x = 5,075,912.18 × 2,391,455.34
  4. Step 4: Simplify right side
    3,679,756.90x = 12,138,817,294,210.68
  5. Step 5: Solve for x
    x = 12,138,817,294,210.68/3,679,756.90
  6. Step 6: Final answer
    x = 3,298,809.58

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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.