Home / 2,142,562.03-2,958,120.68-1,327,630.51

Finding the Fourth Proportional to 2,142,562.03, 2,958,120.68 and 1,327,630.51

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Solution

The fourth proportional to 2,142,562.03, 2,958,120.68 and 1,327,630.51 is: 1,832,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,562.03 : 2,958,120.68 = 1,327,630.51 : x
  2. Step 2: Convert to fraction form
    2,142,562.03/2,958,120.68 = 1,327,630.51/x
  3. Step 3: Cross multiply
    2,142,562.03x = 2,958,120.68 × 1,327,630.51
  4. Step 4: Simplify right side
    2,142,562.03x = 3,927,291,267,029.95
  5. Step 5: Solve for x
    x = 3,927,291,267,029.95/2,142,562.03
  6. Step 6: Final answer
    x = 1,832,988.36

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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.