Home / 1,587,798.69-2,191,150.38-862,652.36

Finding the Fourth Proportional to 1,587,798.69, 2,191,150.38 and 862,652.36

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Solution

The fourth proportional to 1,587,798.69, 2,191,150.38 and 862,652.36 is: 1,190,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,798.69 : 2,191,150.38 = 862,652.36 : x
  2. Step 2: Convert to fraction form
    1,587,798.69/2,191,150.38 = 862,652.36/x
  3. Step 3: Cross multiply
    1,587,798.69x = 2,191,150.38 × 862,652.36
  4. Step 4: Simplify right side
    1,587,798.69x = 1,890,201,046,421.90
  5. Step 5: Solve for x
    x = 1,890,201,046,421.90/1,587,798.69
  6. Step 6: Final answer
    x = 1,190,453.84

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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.