Home / 1,820,964.42-2,512,931.37-1,005,168.60

Finding the Fourth Proportional to 1,820,964.42, 2,512,931.37 and 1,005,168.60

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Solution

The fourth proportional to 1,820,964.42, 2,512,931.37 and 1,005,168.60 is: 1,387,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,964.42 : 2,512,931.37 = 1,005,168.60 : x
  2. Step 2: Convert to fraction form
    1,820,964.42/2,512,931.37 = 1,005,168.60/x
  3. Step 3: Cross multiply
    1,820,964.42x = 2,512,931.37 × 1,005,168.60
  4. Step 4: Simplify right side
    1,820,964.42x = 2,525,919,707,078.98
  5. Step 5: Solve for x
    x = 2,525,919,707,078.98/1,820,964.42
  6. Step 6: Final answer
    x = 1,387,132.93

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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.