Home / 1,532,121.45-2,114,557.46-1,163,992.81

Finding the Fourth Proportional to 1,532,121.45, 2,114,557.46 and 1,163,992.81

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Solution

The fourth proportional to 1,532,121.45, 2,114,557.46 and 1,163,992.81 is: 1,606,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,121.45 : 2,114,557.46 = 1,163,992.81 : x
  2. Step 2: Convert to fraction form
    1,532,121.45/2,114,557.46 = 1,163,992.81/x
  3. Step 3: Cross multiply
    1,532,121.45x = 2,114,557.46 × 1,163,992.81
  4. Step 4: Simplify right side
    1,532,121.45x = 2,461,329,679,771.86
  5. Step 5: Solve for x
    x = 2,461,329,679,771.86/1,532,121.45
  6. Step 6: Final answer
    x = 1,606,484.71

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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.