Home / 3,119,298.30-4,678,947.45-2,091,845.70

Finding the Fourth Proportional to 3,119,298.30, 4,678,947.45 and 2,091,845.70

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Solution

The fourth proportional to 3,119,298.30, 4,678,947.45 and 2,091,845.70 is: 3,137,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,298.30 : 4,678,947.45 = 2,091,845.70 : x
  2. Step 2: Convert to fraction form
    3,119,298.30/4,678,947.45 = 2,091,845.70/x
  3. Step 3: Cross multiply
    3,119,298.30x = 4,678,947.45 × 2,091,845.70
  4. Step 4: Simplify right side
    3,119,298.30x = 9,787,636,103,808.47
  5. Step 5: Solve for x
    x = 9,787,636,103,808.47/3,119,298.30
  6. Step 6: Final answer
    x = 3,137,768.55

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Double scale
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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.