Home / 1,820,875.80-2,512,808.90-1,005,079.85

Finding the Fourth Proportional to 1,820,875.80, 2,512,808.90 and 1,005,079.85

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Solution

The fourth proportional to 1,820,875.80, 2,512,808.90 and 1,005,079.85 is: 1,387,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,875.80 : 2,512,808.90 = 1,005,079.85 : x
  2. Step 2: Convert to fraction form
    1,820,875.80/2,512,808.90 = 1,005,079.85/x
  3. Step 3: Cross multiply
    1,820,875.80x = 2,512,808.90 × 1,005,079.85
  4. Step 4: Simplify right side
    1,820,875.80x = 2,525,573,587,893.30
  5. Step 5: Solve for x
    x = 2,525,573,587,893.30/1,820,875.80
  6. Step 6: Final answer
    x = 1,387,010.35

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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.