Home / 1,552,391.46-2,141,592.21-1,121,989.86

Finding the Fourth Proportional to 1,552,391.46, 2,141,592.21 and 1,121,989.86

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Solution

The fourth proportional to 1,552,391.46, 2,141,592.21 and 1,121,989.86 is: 1,547,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,391.46 : 2,141,592.21 = 1,121,989.86 : x
  2. Step 2: Convert to fraction form
    1,552,391.46/2,141,592.21 = 1,121,989.86/x
  3. Step 3: Cross multiply
    1,552,391.46x = 2,141,592.21 × 1,121,989.86
  4. Step 4: Simplify right side
    1,552,391.46x = 2,402,844,743,874.99
  5. Step 5: Solve for x
    x = 2,402,844,743,874.99/1,552,391.46
  6. Step 6: Final answer
    x = 1,547,834.30

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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.