Home / 1,553,375.16-2,142,553.44-1,036,868.64

Finding the Fourth Proportional to 1,553,375.16, 2,142,553.44 and 1,036,868.64

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Solution

The fourth proportional to 1,553,375.16, 2,142,553.44 and 1,036,868.64 is: 1,430,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,375.16 : 2,142,553.44 = 1,036,868.64 : x
  2. Step 2: Convert to fraction form
    1,553,375.16/2,142,553.44 = 1,036,868.64/x
  3. Step 3: Cross multiply
    1,553,375.16x = 2,142,553.44 × 1,036,868.64
  4. Step 4: Simplify right side
    1,553,375.16x = 2,221,546,471,460.12
  5. Step 5: Solve for x
    x = 2,221,546,471,460.12/1,553,375.16
  6. Step 6: Final answer
    x = 1,430,141.62

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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.