Home / 1,820,897.35-2,512,838.46-1,005,101.22

Finding the Fourth Proportional to 1,820,897.35, 2,512,838.46 and 1,005,101.22

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Solution

The fourth proportional to 1,820,897.35, 2,512,838.46 and 1,005,101.22 is: 1,387,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,897.35 : 2,512,838.46 = 1,005,101.22 : x
  2. Step 2: Convert to fraction form
    1,820,897.35/2,512,838.46 = 1,005,101.22/x
  3. Step 3: Cross multiply
    1,820,897.35x = 2,512,838.46 × 1,005,101.22
  4. Step 4: Simplify right side
    1,820,897.35x = 2,525,657,015,001.20
  5. Step 5: Solve for x
    x = 2,525,657,015,001.20/1,820,897.35
  6. Step 6: Final answer
    x = 1,387,039.76

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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.