Home / 1,820,866.75-2,512,796.37-1,005,070.66

Finding the Fourth Proportional to 1,820,866.75, 2,512,796.37 and 1,005,070.66

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Solution

The fourth proportional to 1,820,866.75, 2,512,796.37 and 1,005,070.66 is: 1,386,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,866.75 : 2,512,796.37 = 1,005,070.66 : x
  2. Step 2: Convert to fraction form
    1,820,866.75/2,512,796.37 = 1,005,070.66/x
  3. Step 3: Cross multiply
    1,820,866.75x = 2,512,796.37 × 1,005,070.66
  4. Step 4: Simplify right side
    1,820,866.75x = 2,525,537,906,041.50
  5. Step 5: Solve for x
    x = 2,525,537,906,041.50/1,820,866.75
  6. Step 6: Final answer
    x = 1,386,997.65

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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.