Home / 3,439,954.65-4,747,140.45-1,891,242.68

Finding the Fourth Proportional to 3,439,954.65, 4,747,140.45 and 1,891,242.68

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Solution

The fourth proportional to 3,439,954.65, 4,747,140.45 and 1,891,242.68 is: 2,609,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,954.65 : 4,747,140.45 = 1,891,242.68 : x
  2. Step 2: Convert to fraction form
    3,439,954.65/4,747,140.45 = 1,891,242.68/x
  3. Step 3: Cross multiply
    3,439,954.65x = 4,747,140.45 × 1,891,242.68
  4. Step 4: Simplify right side
    3,439,954.65x = 8,977,994,603,258.71
  5. Step 5: Solve for x
    x = 8,977,994,603,258.71/3,439,954.65
  6. Step 6: Final answer
    x = 2,609,916.56

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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.