Home / 1,611,538.17-2,223,923.81-886,441.05

Finding the Fourth Proportional to 1,611,538.17, 2,223,923.81 and 886,441.05

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Solution

The fourth proportional to 1,611,538.17, 2,223,923.81 and 886,441.05 is: 1,223,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,538.17 : 2,223,923.81 = 886,441.05 : x
  2. Step 2: Convert to fraction form
    1,611,538.17/2,223,923.81 = 886,441.05/x
  3. Step 3: Cross multiply
    1,611,538.17x = 2,223,923.81 × 886,441.05
  4. Step 4: Simplify right side
    1,611,538.17x = 1,971,377,357,256.40
  5. Step 5: Solve for x
    x = 1,971,377,357,256.40/1,611,538.17
  6. Step 6: Final answer
    x = 1,223,289.27

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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.