Home / 3,119,364.80-4,679,047.20-2,091,912.20

Finding the Fourth Proportional to 3,119,364.80, 4,679,047.20 and 2,091,912.20

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Solution

The fourth proportional to 3,119,364.80, 4,679,047.20 and 2,091,912.20 is: 3,137,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,364.80 : 4,679,047.20 = 2,091,912.20 : x
  2. Step 2: Convert to fraction form
    3,119,364.80/4,679,047.20 = 2,091,912.20/x
  3. Step 3: Cross multiply
    3,119,364.80x = 4,679,047.20 × 2,091,912.20
  4. Step 4: Simplify right side
    3,119,364.80x = 9,788,155,922,055.84
  5. Step 5: Solve for x
    x = 9,788,155,922,055.84/3,119,364.80
  6. Step 6: Final answer
    x = 3,137,868.30

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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.