Home / 1,587,174.23-2,190,316.48-862,036.11

Finding the Fourth Proportional to 1,587,174.23, 2,190,316.48 and 862,036.11

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Solution

The fourth proportional to 1,587,174.23, 2,190,316.48 and 862,036.11 is: 1,189,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,174.23 : 2,190,316.48 = 862,036.11 : x
  2. Step 2: Convert to fraction form
    1,587,174.23/2,190,316.48 = 862,036.11/x
  3. Step 3: Cross multiply
    1,587,174.23x = 2,190,316.48 × 862,036.11
  4. Step 4: Simplify right side
    1,587,174.23x = 1,888,131,895,933.00
  5. Step 5: Solve for x
    x = 1,888,131,895,933.00/1,587,174.23
  6. Step 6: Final answer
    x = 1,189,618.54

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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.