Home / 5,105,317.62-7,045,339.50-2,782,210.79

Finding the Fourth Proportional to 5,105,317.62, 7,045,339.50 and 2,782,210.79

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Solution

The fourth proportional to 5,105,317.62, 7,045,339.50 and 2,782,210.79 is: 3,839,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,317.62 : 7,045,339.50 = 2,782,210.79 : x
  2. Step 2: Convert to fraction form
    5,105,317.62/7,045,339.50 = 2,782,210.79/x
  3. Step 3: Cross multiply
    5,105,317.62x = 7,045,339.50 × 2,782,210.79
  4. Step 4: Simplify right side
    5,105,317.62x = 19,601,619,540,886.51
  5. Step 5: Solve for x
    x = 19,601,619,540,886.51/5,105,317.62
  6. Step 6: Final answer
    x = 3,839,451.53

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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.