Home / 1,897,233.12-2,618,848.80-1,172,636.64

Finding the Fourth Proportional to 1,897,233.12, 2,618,848.80 and 1,172,636.64

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Solution

The fourth proportional to 1,897,233.12, 2,618,848.80 and 1,172,636.64 is: 1,618,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,233.12 : 2,618,848.80 = 1,172,636.64 : x
  2. Step 2: Convert to fraction form
    1,897,233.12/2,618,848.80 = 1,172,636.64/x
  3. Step 3: Cross multiply
    1,897,233.12x = 2,618,848.80 × 1,172,636.64
  4. Step 4: Simplify right side
    1,897,233.12x = 3,070,958,057,500.03
  5. Step 5: Solve for x
    x = 3,070,958,057,500.03/1,897,233.12
  6. Step 6: Final answer
    x = 1,618,650.88

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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.