Home / 1,820,967.58-2,512,935.77-1,005,171.80

Finding the Fourth Proportional to 1,820,967.58, 2,512,935.77 and 1,005,171.80

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Solution

The fourth proportional to 1,820,967.58, 2,512,935.77 and 1,005,171.80 is: 1,387,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,967.58 : 2,512,935.77 = 1,005,171.80 : x
  2. Step 2: Convert to fraction form
    1,820,967.58/2,512,935.77 = 1,005,171.80/x
  3. Step 3: Cross multiply
    1,820,967.58x = 2,512,935.77 × 1,005,171.80
  4. Step 4: Simplify right side
    1,820,967.58x = 2,525,932,153,624.75
  5. Step 5: Solve for x
    x = 2,525,932,153,624.75/1,820,967.58
  6. Step 6: Final answer
    x = 1,387,137.35

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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.