Home / 3,617,220.24-4,991,744.22-1,985,655.38

Finding the Fourth Proportional to 3,617,220.24, 4,991,744.22 and 1,985,655.38

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Solution

The fourth proportional to 3,617,220.24, 4,991,744.22 and 1,985,655.38 is: 2,740,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,220.24 : 4,991,744.22 = 1,985,655.38 : x
  2. Step 2: Convert to fraction form
    3,617,220.24/4,991,744.22 = 1,985,655.38/x
  3. Step 3: Cross multiply
    3,617,220.24x = 4,991,744.22 × 1,985,655.38
  4. Step 4: Simplify right side
    3,617,220.24x = 9,911,883,741,068.18
  5. Step 5: Solve for x
    x = 9,911,883,741,068.18/3,617,220.24
  6. Step 6: Final answer
    x = 2,740,193.60

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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.