Home / 3,870,151.72-5,340,873.70-2,127,894.76

Finding the Fourth Proportional to 3,870,151.72, 5,340,873.70 and 2,127,894.76

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Solution

The fourth proportional to 3,870,151.72, 5,340,873.70 and 2,127,894.76 is: 2,936,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,151.72 : 5,340,873.70 = 2,127,894.76 : x
  2. Step 2: Convert to fraction form
    3,870,151.72/5,340,873.70 = 2,127,894.76/x
  3. Step 3: Cross multiply
    3,870,151.72x = 5,340,873.70 × 2,127,894.76
  4. Step 4: Simplify right side
    3,870,151.72x = 11,364,817,160,051.81
  5. Step 5: Solve for x
    x = 11,364,817,160,051.81/3,870,151.72
  6. Step 6: Final answer
    x = 2,936,530.14

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Double scale
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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.