Home / 3,157,935-4,357,685.43-1,868,549.46

Finding the Fourth Proportional to 3,157,935, 4,357,685.43 and 1,868,549.46

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Solution

The fourth proportional to 3,157,935, 4,357,685.43 and 1,868,549.46 is: 2,578,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,935 : 4,357,685.43 = 1,868,549.46 : x
  2. Step 2: Convert to fraction form
    3,157,935/4,357,685.43 = 1,868,549.46/x
  3. Step 3: Cross multiply
    3,157,935x = 4,357,685.43 × 1,868,549.46
  4. Step 4: Simplify right side
    3,157,935x = 8,142,550,757,076.37
  5. Step 5: Solve for x
    x = 8,142,550,757,076.37/3,157,935
  6. Step 6: Final answer
    x = 2,578,441.53

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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.