Home / 5,265,490.40-7,898,235.60-2,990,135.60

Finding the Fourth Proportional to 5,265,490.40, 7,898,235.60 and 2,990,135.60

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Solution

The fourth proportional to 5,265,490.40, 7,898,235.60 and 2,990,135.60 is: 4,485,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,490.40 : 7,898,235.60 = 2,990,135.60 : x
  2. Step 2: Convert to fraction form
    5,265,490.40/7,898,235.60 = 2,990,135.60/x
  3. Step 3: Cross multiply
    5,265,490.40x = 7,898,235.60 × 2,990,135.60
  4. Step 4: Simplify right side
    5,265,490.40x = 23,616,795,444,747.36
  5. Step 5: Solve for x
    x = 23,616,795,444,747.36/5,265,490.40
  6. Step 6: Final answer
    x = 4,485,203.40

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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.