Home / 2,208,889.96-3,312,965.85-611,614.51

Finding the Fourth Proportional to 2,208,889.96, 3,312,965.85 and 611,614.51

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Solution

The fourth proportional to 2,208,889.96, 3,312,965.85 and 611,614.51 is: 917,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,889.96 : 3,312,965.85 = 611,614.51 : x
  2. Step 2: Convert to fraction form
    2,208,889.96/3,312,965.85 = 611,614.51/x
  3. Step 3: Cross multiply
    2,208,889.96x = 3,312,965.85 × 611,614.51
  4. Step 4: Simplify right side
    2,208,889.96x = 2,026,257,984,994.48
  5. Step 5: Solve for x
    x = 2,026,257,984,994.48/2,208,889.96
  6. Step 6: Final answer
    x = 917,319.57

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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.