Home / 2,665,686.48-3,674,821.24-1,900,411.44

Finding the Fourth Proportional to 2,665,686.48, 3,674,821.24 and 1,900,411.44

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Solution

The fourth proportional to 2,665,686.48, 3,674,821.24 and 1,900,411.44 is: 2,619,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,686.48 : 3,674,821.24 = 1,900,411.44 : x
  2. Step 2: Convert to fraction form
    2,665,686.48/3,674,821.24 = 1,900,411.44/x
  3. Step 3: Cross multiply
    2,665,686.48x = 3,674,821.24 × 1,900,411.44
  4. Step 4: Simplify right side
    2,665,686.48x = 6,983,672,324,450.99
  5. Step 5: Solve for x
    x = 6,983,672,324,450.99/2,665,686.48
  6. Step 6: Final answer
    x = 2,619,840.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.