Home / 3,392,579.68-4,681,699.92-1,864,686.40

Finding the Fourth Proportional to 3,392,579.68, 4,681,699.92 and 1,864,686.40

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Solution

The fourth proportional to 3,392,579.68, 4,681,699.92 and 1,864,686.40 is: 2,573,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392,579.68 : 4,681,699.92 = 1,864,686.40 : x
  2. Step 2: Convert to fraction form
    3,392,579.68/4,681,699.92 = 1,864,686.40/x
  3. Step 3: Cross multiply
    3,392,579.68x = 4,681,699.92 × 1,864,686.40
  4. Step 4: Simplify right side
    3,392,579.68x = 8,729,902,169,705.09
  5. Step 5: Solve for x
    x = 8,729,902,169,705.09/3,392,579.68
  6. Step 6: Final answer
    x = 2,573,234.23

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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.