Home / 1,923,988-2,655,094.80-1,107,893.92

Finding the Fourth Proportional to 1,923,988, 2,655,094.80 and 1,107,893.92

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Solution

The fourth proportional to 1,923,988, 2,655,094.80 and 1,107,893.92 is: 1,528,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,988 : 2,655,094.80 = 1,107,893.92 : x
  2. Step 2: Convert to fraction form
    1,923,988/2,655,094.80 = 1,107,893.92/x
  3. Step 3: Cross multiply
    1,923,988x = 2,655,094.80 × 1,107,893.92
  4. Step 4: Simplify right side
    1,923,988x = 2,941,563,385,943.62
  5. Step 5: Solve for x
    x = 2,941,563,385,943.62/1,923,988
  6. Step 6: Final answer
    x = 1,528,888.63

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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.