Home / 3,988,003.80-5,977,923.30-1,963,133.40

Finding the Fourth Proportional to 3,988,003.80, 5,977,923.30 and 1,963,133.40

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Solution

The fourth proportional to 3,988,003.80, 5,977,923.30 and 1,963,133.40 is: 2,942,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,003.80 : 5,977,923.30 = 1,963,133.40 : x
  2. Step 2: Convert to fraction form
    3,988,003.80/5,977,923.30 = 1,963,133.40/x
  3. Step 3: Cross multiply
    3,988,003.80x = 5,977,923.30 × 1,963,133.40
  4. Step 4: Simplify right side
    3,988,003.80x = 11,735,460,892,868.22
  5. Step 5: Solve for x
    x = 11,735,460,892,868.22/3,988,003.80
  6. Step 6: Final answer
    x = 2,942,690.50

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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.