Home / 1,551,633.88-2,141,002.44-863,288.05

Finding the Fourth Proportional to 1,551,633.88, 2,141,002.44 and 863,288.05

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Solution

The fourth proportional to 1,551,633.88, 2,141,002.44 and 863,288.05 is: 1,191,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,633.88 : 2,141,002.44 = 863,288.05 : x
  2. Step 2: Convert to fraction form
    1,551,633.88/2,141,002.44 = 863,288.05/x
  3. Step 3: Cross multiply
    1,551,633.88x = 2,141,002.44 × 863,288.05
  4. Step 4: Simplify right side
    1,551,633.88x = 1,848,301,817,156.40
  5. Step 5: Solve for x
    x = 1,848,301,817,156.40/1,551,633.88
  6. Step 6: Final answer
    x = 1,191,197.13

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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.