Home / 5,230,705.80-7,218,380.34-2,938,865.16

Finding the Fourth Proportional to 5,230,705.80, 7,218,380.34 and 2,938,865.16

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Solution

The fourth proportional to 5,230,705.80, 7,218,380.34 and 2,938,865.16 is: 4,055,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,705.80 : 7,218,380.34 = 2,938,865.16 : x
  2. Step 2: Convert to fraction form
    5,230,705.80/7,218,380.34 = 2,938,865.16/x
  3. Step 3: Cross multiply
    5,230,705.80x = 7,218,380.34 × 2,938,865.16
  4. Step 4: Simplify right side
    5,230,705.80x = 21,213,846,492,854.95
  5. Step 5: Solve for x
    x = 21,213,846,492,854.95/5,230,705.80
  6. Step 6: Final answer
    x = 4,055,637.48

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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.