Home / 1,905,156.86-2,629,020.49-1,130,821.51

Finding the Fourth Proportional to 1,905,156.86, 2,629,020.49 and 1,130,821.51

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Solution

The fourth proportional to 1,905,156.86, 2,629,020.49 and 1,130,821.51 is: 1,560,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,156.86 : 2,629,020.49 = 1,130,821.51 : x
  2. Step 2: Convert to fraction form
    1,905,156.86/2,629,020.49 = 1,130,821.51/x
  3. Step 3: Cross multiply
    1,905,156.86x = 2,629,020.49 × 1,130,821.51
  4. Step 4: Simplify right side
    1,905,156.86x = 2,972,952,922,213.42
  5. Step 5: Solve for x
    x = 2,972,952,922,213.42/1,905,156.86
  6. Step 6: Final answer
    x = 1,560,476.72

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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.