Home / 1,820,904.30-2,512,848.03-1,005,108.18

Finding the Fourth Proportional to 1,820,904.30, 2,512,848.03 and 1,005,108.18

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Solution

The fourth proportional to 1,820,904.30, 2,512,848.03 and 1,005,108.18 is: 1,387,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,904.30 : 2,512,848.03 = 1,005,108.18 : x
  2. Step 2: Convert to fraction form
    1,820,904.30/2,512,848.03 = 1,005,108.18/x
  3. Step 3: Cross multiply
    1,820,904.30x = 2,512,848.03 × 1,005,108.18
  4. Step 4: Simplify right side
    1,820,904.30x = 2,525,684,110,049.89
  5. Step 5: Solve for x
    x = 2,525,684,110,049.89/1,820,904.30
  6. Step 6: Final answer
    x = 1,387,049.34

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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.