Home / 1,561,957.32-2,342,936.04-815,461.32

Finding the Fourth Proportional to 1,561,957.32, 2,342,936.04 and 815,461.32

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Solution

The fourth proportional to 1,561,957.32, 2,342,936.04 and 815,461.32 is: 1,223,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,957.32 : 2,342,936.04 = 815,461.32 : x
  2. Step 2: Convert to fraction form
    1,561,957.32/2,342,936.04 = 815,461.32/x
  3. Step 3: Cross multiply
    1,561,957.32x = 2,342,936.04 × 815,461.32
  4. Step 4: Simplify right side
    1,561,957.32x = 1,910,573,715,853.97
  5. Step 5: Solve for x
    x = 1,910,573,715,853.97/1,561,957.32
  6. Step 6: Final answer
    x = 1,223,192.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.