Home / 5,638,603.24-8,461,462.80-2,400,135.72

Finding the Fourth Proportional to 5,638,603.24, 8,461,462.80 and 2,400,135.72

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Solution

The fourth proportional to 5,638,603.24, 8,461,462.80 and 2,400,135.72 is: 3,601,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,603.24 : 8,461,462.80 = 2,400,135.72 : x
  2. Step 2: Convert to fraction form
    5,638,603.24/8,461,462.80 = 2,400,135.72/x
  3. Step 3: Cross multiply
    5,638,603.24x = 8,461,462.80 × 2,400,135.72
  4. Step 4: Simplify right side
    5,638,603.24x = 20,308,659,109,731.22
  5. Step 5: Solve for x
    x = 20,308,659,109,731.22/5,638,603.24
  6. Step 6: Final answer
    x = 3,601,718.06

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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.