Home / 3,208,764.80-4,426,923.84-1,919,642.24

Finding the Fourth Proportional to 3,208,764.80, 4,426,923.84 and 1,919,642.24

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Solution

The fourth proportional to 3,208,764.80, 4,426,923.84 and 1,919,642.24 is: 2,648,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,764.80 : 4,426,923.84 = 1,919,642.24 : x
  2. Step 2: Convert to fraction form
    3,208,764.80/4,426,923.84 = 1,919,642.24/x
  3. Step 3: Cross multiply
    3,208,764.80x = 4,426,923.84 × 1,919,642.24
  4. Step 4: Simplify right side
    3,208,764.80x = 8,498,109,996,527.00
  5. Step 5: Solve for x
    x = 8,498,109,996,527.00/3,208,764.80
  6. Step 6: Final answer
    x = 2,648,405.39

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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.