Home / 3,939,812.10-5,909,718.15-1,542,860.10

Finding the Fourth Proportional to 3,939,812.10, 5,909,718.15 and 1,542,860.10

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Solution

The fourth proportional to 3,939,812.10, 5,909,718.15 and 1,542,860.10 is: 2,314,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,812.10 : 5,909,718.15 = 1,542,860.10 : x
  2. Step 2: Convert to fraction form
    3,939,812.10/5,909,718.15 = 1,542,860.10/x
  3. Step 3: Cross multiply
    3,939,812.10x = 5,909,718.15 × 1,542,860.10
  4. Step 4: Simplify right side
    3,939,812.10x = 9,117,868,335,880.82
  5. Step 5: Solve for x
    x = 9,117,868,335,880.82/3,939,812.10
  6. Step 6: Final answer
    x = 2,314,290.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.