Home / 1,956,178.80-2,934,268.20-818,744.40

Finding the Fourth Proportional to 1,956,178.80, 2,934,268.20 and 818,744.40

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Solution

The fourth proportional to 1,956,178.80, 2,934,268.20 and 818,744.40 is: 1,228,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,178.80 : 2,934,268.20 = 818,744.40 : x
  2. Step 2: Convert to fraction form
    1,956,178.80/2,934,268.20 = 818,744.40/x
  3. Step 3: Cross multiply
    1,956,178.80x = 2,934,268.20 × 818,744.40
  4. Step 4: Simplify right side
    1,956,178.80x = 2,402,415,656,848.08
  5. Step 5: Solve for x
    x = 2,402,415,656,848.08/1,956,178.80
  6. Step 6: Final answer
    x = 1,228,116.60

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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.