Home / 3,669,607.40-5,504,411.10-1,989,991.40

Finding the Fourth Proportional to 3,669,607.40, 5,504,411.10 and 1,989,991.40

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Solution

The fourth proportional to 3,669,607.40, 5,504,411.10 and 1,989,991.40 is: 2,984,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,607.40 : 5,504,411.10 = 1,989,991.40 : x
  2. Step 2: Convert to fraction form
    3,669,607.40/5,504,411.10 = 1,989,991.40/x
  3. Step 3: Cross multiply
    3,669,607.40x = 5,504,411.10 × 1,989,991.40
  4. Step 4: Simplify right side
    3,669,607.40x = 10,953,730,751,064.54
  5. Step 5: Solve for x
    x = 10,953,730,751,064.54/3,669,607.40
  6. Step 6: Final answer
    x = 2,984,987.10

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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.