Home / 5,211,488.44-7,191,491.07-2,888,358.22

Finding the Fourth Proportional to 5,211,488.44, 7,191,491.07 and 2,888,358.22

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Solution

The fourth proportional to 5,211,488.44, 7,191,491.07 and 2,888,358.22 is: 3,985,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,488.44 : 7,191,491.07 = 2,888,358.22 : x
  2. Step 2: Convert to fraction form
    5,211,488.44/7,191,491.07 = 2,888,358.22/x
  3. Step 3: Cross multiply
    5,211,488.44x = 7,191,491.07 × 2,888,358.22
  4. Step 4: Simplify right side
    5,211,488.44x = 20,771,602,346,091.10
  5. Step 5: Solve for x
    x = 20,771,602,346,091.10/5,211,488.44
  6. Step 6: Final answer
    x = 3,985,733.17

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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.