Home / 3,853,609.19-5,318,547.21-2,221,697.82

Finding the Fourth Proportional to 3,853,609.19, 5,318,547.21 and 2,221,697.82

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Solution

The fourth proportional to 3,853,609.19, 5,318,547.21 and 2,221,697.82 is: 3,066,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,609.19 : 5,318,547.21 = 2,221,697.82 : x
  2. Step 2: Convert to fraction form
    3,853,609.19/5,318,547.21 = 2,221,697.82/x
  3. Step 3: Cross multiply
    3,853,609.19x = 5,318,547.21 × 2,221,697.82
  4. Step 4: Simplify right side
    3,853,609.19x = 11,816,204,742,024.08
  5. Step 5: Solve for x
    x = 11,816,204,742,024.08/3,853,609.19
  6. Step 6: Final answer
    x = 3,066,269.61

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Double scale
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1.5x scale

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.