Home / 1,820,907.29-2,512,852.20-1,005,111.20

Finding the Fourth Proportional to 1,820,907.29, 2,512,852.20 and 1,005,111.20

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Solution

The fourth proportional to 1,820,907.29, 2,512,852.20 and 1,005,111.20 is: 1,387,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,907.29 : 2,512,852.20 = 1,005,111.20 : x
  2. Step 2: Convert to fraction form
    1,820,907.29/2,512,852.20 = 1,005,111.20/x
  3. Step 3: Cross multiply
    1,820,907.29x = 2,512,852.20 × 1,005,111.20
  4. Step 4: Simplify right side
    1,820,907.29x = 2,525,695,890,164.64
  5. Step 5: Solve for x
    x = 2,525,695,890,164.64/1,820,907.29
  6. Step 6: Final answer
    x = 1,387,053.53

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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.