Home / 5,364,188.40-8,039,284.20-2,485,221.60

Finding the Fourth Proportional to 5,364,188.40, 8,039,284.20 and 2,485,221.60

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Solution

The fourth proportional to 5,364,188.40, 8,039,284.20 and 2,485,221.60 is: 3,724,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,188.40 : 8,039,284.20 = 2,485,221.60 : x
  2. Step 2: Convert to fraction form
    5,364,188.40/8,039,284.20 = 2,485,221.60/x
  3. Step 3: Cross multiply
    5,364,188.40x = 8,039,284.20 × 2,485,221.60
  4. Step 4: Simplify right side
    5,364,188.40x = 19,979,402,742,378.72
  5. Step 5: Solve for x
    x = 19,979,402,742,378.72/5,364,188.40
  6. Step 6: Final answer
    x = 3,724,590.05

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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.