Home / 3,911,728.20-5,870,216.70-2,312,593.80

Finding the Fourth Proportional to 3,911,728.20, 5,870,216.70 and 2,312,593.80

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Solution

The fourth proportional to 3,911,728.20, 5,870,216.70 and 2,312,593.80 is: 3,470,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,728.20 : 5,870,216.70 = 2,312,593.80 : x
  2. Step 2: Convert to fraction form
    3,911,728.20/5,870,216.70 = 2,312,593.80/x
  3. Step 3: Cross multiply
    3,911,728.20x = 5,870,216.70 × 2,312,593.80
  4. Step 4: Simplify right side
    3,911,728.20x = 13,575,426,745,076.46
  5. Step 5: Solve for x
    x = 13,575,426,745,076.46/3,911,728.20
  6. Step 6: Final answer
    x = 3,470,442.23

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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.