Home / 1,403,686.92-1,934,803.20-1,097,222.61

Finding the Fourth Proportional to 1,403,686.92, 1,934,803.20 and 1,097,222.61

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Solution

The fourth proportional to 1,403,686.92, 1,934,803.20 and 1,097,222.61 is: 1,512,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,686.92 : 1,934,803.20 = 1,097,222.61 : x
  2. Step 2: Convert to fraction form
    1,403,686.92/1,934,803.20 = 1,097,222.61/x
  3. Step 3: Cross multiply
    1,403,686.92x = 1,934,803.20 × 1,097,222.61
  4. Step 4: Simplify right side
    1,403,686.92x = 2,122,909,816,940.35
  5. Step 5: Solve for x
    x = 2,122,909,816,940.35/1,403,686.92
  6. Step 6: Final answer
    x = 1,512,381.28

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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.