Home / 3,218,086.40-4,820,131.20-1,953,708.80

Finding the Fourth Proportional to 3,218,086.40, 4,820,131.20 and 1,953,708.80

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Solution

The fourth proportional to 3,218,086.40, 4,820,131.20 and 1,953,708.80 is: 2,926,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,086.40 : 4,820,131.20 = 1,953,708.80 : x
  2. Step 2: Convert to fraction form
    3,218,086.40/4,820,131.20 = 1,953,708.80/x
  3. Step 3: Cross multiply
    3,218,086.40x = 4,820,131.20 × 1,953,708.80
  4. Step 4: Simplify right side
    3,218,086.40x = 9,417,132,742,594.56
  5. Step 5: Solve for x
    x = 9,417,132,742,594.56/3,218,086.40
  6. Step 6: Final answer
    x = 2,926,314.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.