Home / 3,939,561.45-5,436,677.99-2,220,681.51

Finding the Fourth Proportional to 3,939,561.45, 5,436,677.99 and 2,220,681.51

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Solution

The fourth proportional to 3,939,561.45, 5,436,677.99 and 2,220,681.51 is: 3,064,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,561.45 : 5,436,677.99 = 2,220,681.51 : x
  2. Step 2: Convert to fraction form
    3,939,561.45/5,436,677.99 = 2,220,681.51/x
  3. Step 3: Cross multiply
    3,939,561.45x = 5,436,677.99 × 2,220,681.51
  4. Step 4: Simplify right side
    3,939,561.45x = 12,073,130,288,216.96
  5. Step 5: Solve for x
    x = 12,073,130,288,216.96/3,939,561.45
  6. Step 6: Final answer
    x = 3,064,587.38

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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.