Home / 3,141,955.47-4,713,302.32-1,120,486.77

Finding the Fourth Proportional to 3,141,955.47, 4,713,302.32 and 1,120,486.77

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Solution

The fourth proportional to 3,141,955.47, 4,713,302.32 and 1,120,486.77 is: 1,680,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,955.47 : 4,713,302.32 = 1,120,486.77 : x
  2. Step 2: Convert to fraction form
    3,141,955.47/4,713,302.32 = 1,120,486.77/x
  3. Step 3: Cross multiply
    3,141,955.47x = 4,713,302.32 × 1,120,486.77
  4. Step 4: Simplify right side
    3,141,955.47x = 5,281,192,889,769.09
  5. Step 5: Solve for x
    x = 5,281,192,889,769.09/3,141,955.47
  6. Step 6: Final answer
    x = 1,680,861.79

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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.