Home / 1,587,535.11-2,190,814.02-862,388.69

Finding the Fourth Proportional to 1,587,535.11, 2,190,814.02 and 862,388.69

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Solution

The fourth proportional to 1,587,535.11, 2,190,814.02 and 862,388.69 is: 1,190,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,535.11 : 2,190,814.02 = 862,388.69 : x
  2. Step 2: Convert to fraction form
    1,587,535.11/2,190,814.02 = 862,388.69/x
  3. Step 3: Cross multiply
    1,587,535.11x = 2,190,814.02 × 862,388.69
  4. Step 4: Simplify right side
    1,587,535.11x = 1,889,333,221,787.36
  5. Step 5: Solve for x
    x = 1,889,333,221,787.36/1,587,535.11
  6. Step 6: Final answer
    x = 1,190,104.84

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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.