Home / 3,191,723.84-4,403,977.28-1,902,684.16

Finding the Fourth Proportional to 3,191,723.84, 4,403,977.28 and 1,902,684.16

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Solution

The fourth proportional to 3,191,723.84, 4,403,977.28 and 1,902,684.16 is: 2,625,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,723.84 : 4,403,977.28 = 1,902,684.16 : x
  2. Step 2: Convert to fraction form
    3,191,723.84/4,403,977.28 = 1,902,684.16/x
  3. Step 3: Cross multiply
    3,191,723.84x = 4,403,977.28 × 1,902,684.16
  4. Step 4: Simplify right side
    3,191,723.84x = 8,379,377,811,655.89
  5. Step 5: Solve for x
    x = 8,379,377,811,655.89/3,191,723.84
  6. Step 6: Final answer
    x = 2,625,345.50

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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.