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Finding the Fourth Proportional to 1,972,465.65, 2,958,698.48 and 1,635,886.35

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Solution

The fourth proportional to 1,972,465.65, 2,958,698.48 and 1,635,886.35 is: 2,453,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,465.65 : 2,958,698.48 = 1,635,886.35 : x
  2. Step 2: Convert to fraction form
    1,972,465.65/2,958,698.48 = 1,635,886.35/x
  3. Step 3: Cross multiply
    1,972,465.65x = 2,958,698.48 × 1,635,886.35
  4. Step 4: Simplify right side
    1,972,465.65x = 4,840,094,449,018.32
  5. Step 5: Solve for x
    x = 4,840,094,449,018.32/1,972,465.65
  6. Step 6: Final answer
    x = 2,453,829.53

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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.