Home / 3,020,420.28-4,167,450.84-1,780,081.56

Finding the Fourth Proportional to 3,020,420.28, 4,167,450.84 and 1,780,081.56

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Solution

The fourth proportional to 3,020,420.28, 4,167,450.84 and 1,780,081.56 is: 2,456,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,420.28 : 4,167,450.84 = 1,780,081.56 : x
  2. Step 2: Convert to fraction form
    3,020,420.28/4,167,450.84 = 1,780,081.56/x
  3. Step 3: Cross multiply
    3,020,420.28x = 4,167,450.84 × 1,780,081.56
  4. Step 4: Simplify right side
    3,020,420.28x = 7,418,402,392,490.51
  5. Step 5: Solve for x
    x = 7,418,402,392,490.51/3,020,420.28
  6. Step 6: Final answer
    x = 2,456,082.83

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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.