Home / 5,263,920.40-7,889,975.70-2,990,533.90

Finding the Fourth Proportional to 5,263,920.40, 7,889,975.70 and 2,990,533.90

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Solution

The fourth proportional to 5,263,920.40, 7,889,975.70 and 2,990,533.90 is: 4,482,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,920.40 : 7,889,975.70 = 2,990,533.90 : x
  2. Step 2: Convert to fraction form
    5,263,920.40/7,889,975.70 = 2,990,533.90/x
  3. Step 3: Cross multiply
    5,263,920.40x = 7,889,975.70 × 2,990,533.90
  4. Step 4: Simplify right side
    5,263,920.40x = 23,595,239,801,026.23
  5. Step 5: Solve for x
    x = 23,595,239,801,026.23/5,263,920.40
  6. Step 6: Final answer
    x = 4,482,446.16

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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.