Home / 5,183,710.13-7,153,523.06-2,891,870.81

Finding the Fourth Proportional to 5,183,710.13, 7,153,523.06 and 2,891,870.81

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Solution

The fourth proportional to 5,183,710.13, 7,153,523.06 and 2,891,870.81 is: 3,990,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,710.13 : 7,153,523.06 = 2,891,870.81 : x
  2. Step 2: Convert to fraction form
    5,183,710.13/7,153,523.06 = 2,891,870.81/x
  3. Step 3: Cross multiply
    5,183,710.13x = 7,153,523.06 × 2,891,870.81
  4. Step 4: Simplify right side
    5,183,710.13x = 20,687,064,511,416.52
  5. Step 5: Solve for x
    x = 20,687,064,511,416.52/5,183,710.13
  6. Step 6: Final answer
    x = 3,990,783.43

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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.