Home / 1,820,967.39-2,512,935.51-1,005,171.62

Finding the Fourth Proportional to 1,820,967.39, 2,512,935.51 and 1,005,171.62

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Solution

The fourth proportional to 1,820,967.39, 2,512,935.51 and 1,005,171.62 is: 1,387,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,967.39 : 2,512,935.51 = 1,005,171.62 : x
  2. Step 2: Convert to fraction form
    1,820,967.39/2,512,935.51 = 1,005,171.62/x
  3. Step 3: Cross multiply
    1,820,967.39x = 2,512,935.51 × 1,005,171.62
  4. Step 4: Simplify right side
    1,820,967.39x = 2,525,931,444,977.55
  5. Step 5: Solve for x
    x = 2,525,931,444,977.55/1,820,967.39
  6. Step 6: Final answer
    x = 1,387,137.11

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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.