Home / 3,178,194.77-4,385,956.61-1,727,886.94

Finding the Fourth Proportional to 3,178,194.77, 4,385,956.61 and 1,727,886.94

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Solution

The fourth proportional to 3,178,194.77, 4,385,956.61 and 1,727,886.94 is: 2,384,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,194.77 : 4,385,956.61 = 1,727,886.94 : x
  2. Step 2: Convert to fraction form
    3,178,194.77/4,385,956.61 = 1,727,886.94/x
  3. Step 3: Cross multiply
    3,178,194.77x = 4,385,956.61 × 1,727,886.94
  4. Step 4: Simplify right side
    3,178,194.77x = 7,578,437,139,180.50
  5. Step 5: Solve for x
    x = 7,578,437,139,180.50/3,178,194.77
  6. Step 6: Final answer
    x = 2,384,509.98

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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.