Home / 2,946,697.74-4,420,079.40-816,800.28

Finding the Fourth Proportional to 2,946,697.74, 4,420,079.40 and 816,800.28

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Solution

The fourth proportional to 2,946,697.74, 4,420,079.40 and 816,800.28 is: 1,225,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,697.74 : 4,420,079.40 = 816,800.28 : x
  2. Step 2: Convert to fraction form
    2,946,697.74/4,420,079.40 = 816,800.28/x
  3. Step 3: Cross multiply
    2,946,697.74x = 4,420,079.40 × 816,800.28
  4. Step 4: Simplify right side
    2,946,697.74x = 3,610,322,091,542.23
  5. Step 5: Solve for x
    x = 3,610,322,091,542.23/2,946,697.74
  6. Step 6: Final answer
    x = 1,225,209.51

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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.