Home / 1,797,641.32-2,480,421.54-1,072,218.28

Finding the Fourth Proportional to 1,797,641.32, 2,480,421.54 and 1,072,218.28

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Solution

The fourth proportional to 1,797,641.32, 2,480,421.54 and 1,072,218.28 is: 1,479,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,641.32 : 2,480,421.54 = 1,072,218.28 : x
  2. Step 2: Convert to fraction form
    1,797,641.32/2,480,421.54 = 1,072,218.28/x
  3. Step 3: Cross multiply
    1,797,641.32x = 2,480,421.54 × 1,072,218.28
  4. Step 4: Simplify right side
    1,797,641.32x = 2,659,553,317,293.75
  5. Step 5: Solve for x
    x = 2,659,553,317,293.75/1,797,641.32
  6. Step 6: Final answer
    x = 1,479,468.28

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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.