Home / 2,591,985.30-3,887,977.95-698,918.10

Finding the Fourth Proportional to 2,591,985.30, 3,887,977.95 and 698,918.10

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Solution

The fourth proportional to 2,591,985.30, 3,887,977.95 and 698,918.10 is: 1,048,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,985.30 : 3,887,977.95 = 698,918.10 : x
  2. Step 2: Convert to fraction form
    2,591,985.30/3,887,977.95 = 698,918.10/x
  3. Step 3: Cross multiply
    2,591,985.30x = 3,887,977.95 × 698,918.10
  4. Step 4: Simplify right side
    2,591,985.30x = 2,717,378,161,655.90
  5. Step 5: Solve for x
    x = 2,717,378,161,655.90/2,591,985.30
  6. Step 6: Final answer
    x = 1,048,377.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.