Home / 3,947,421.84-5,447,138.08-2,228,712

Finding the Fourth Proportional to 3,947,421.84, 5,447,138.08 and 2,228,712

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Solution

The fourth proportional to 3,947,421.84, 5,447,138.08 and 2,228,712 is: 3,075,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,421.84 : 5,447,138.08 = 2,228,712 : x
  2. Step 2: Convert to fraction form
    3,947,421.84/5,447,138.08 = 2,228,712/x
  3. Step 3: Cross multiply
    3,947,421.84x = 5,447,138.08 × 2,228,712
  4. Step 4: Simplify right side
    3,947,421.84x = 12,140,102,004,552.96
  5. Step 5: Solve for x
    x = 12,140,102,004,552.96/3,947,421.84
  6. Step 6: Final answer
    x = 3,075,450.89

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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.