Home / 5,440,218.76-7,507,205.40-2,992,434.64

Finding the Fourth Proportional to 5,440,218.76, 7,507,205.40 and 2,992,434.64

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Solution

The fourth proportional to 5,440,218.76, 7,507,205.40 and 2,992,434.64 is: 4,129,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,218.76 : 7,507,205.40 = 2,992,434.64 : x
  2. Step 2: Convert to fraction form
    5,440,218.76/7,507,205.40 = 2,992,434.64/x
  3. Step 3: Cross multiply
    5,440,218.76x = 7,507,205.40 × 2,992,434.64
  4. Step 4: Simplify right side
    5,440,218.76x = 22,464,821,488,555.06
  5. Step 5: Solve for x
    x = 22,464,821,488,555.06/5,440,218.76
  6. Step 6: Final answer
    x = 4,129,396.72

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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.