Home / 1,587,182.12-2,190,327.14-862,044

Finding the Fourth Proportional to 1,587,182.12, 2,190,327.14 and 862,044

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Solution

The fourth proportional to 1,587,182.12, 2,190,327.14 and 862,044 is: 1,189,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,182.12 : 2,190,327.14 = 862,044 : x
  2. Step 2: Convert to fraction form
    1,587,182.12/2,190,327.14 = 862,044/x
  3. Step 3: Cross multiply
    1,587,182.12x = 2,190,327.14 × 862,044
  4. Step 4: Simplify right side
    1,587,182.12x = 1,888,158,369,074.16
  5. Step 5: Solve for x
    x = 1,888,158,369,074.16/1,587,182.12
  6. Step 6: Final answer
    x = 1,189,629.31

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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.