Home / 5,214,643.80-7,821,965.70-4,766,746.20

Finding the Fourth Proportional to 5,214,643.80, 7,821,965.70 and 4,766,746.20

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Solution

The fourth proportional to 5,214,643.80, 7,821,965.70 and 4,766,746.20 is: 7,150,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,643.80 : 7,821,965.70 = 4,766,746.20 : x
  2. Step 2: Convert to fraction form
    5,214,643.80/7,821,965.70 = 4,766,746.20/x
  3. Step 3: Cross multiply
    5,214,643.80x = 7,821,965.70 × 4,766,746.20
  4. Step 4: Simplify right side
    5,214,643.80x = 37,285,325,277,005.34
  5. Step 5: Solve for x
    x = 37,285,325,277,005.34/5,214,643.80
  6. Step 6: Final answer
    x = 7,150,119.30

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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.