Home / 3,390,381.88-4,678,811.37-1,841,643.11

Finding the Fourth Proportional to 3,390,381.88, 4,678,811.37 and 1,841,643.11

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Solution

The fourth proportional to 3,390,381.88, 4,678,811.37 and 1,841,643.11 is: 2,541,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,381.88 : 4,678,811.37 = 1,841,643.11 : x
  2. Step 2: Convert to fraction form
    3,390,381.88/4,678,811.37 = 1,841,643.11/x
  3. Step 3: Cross multiply
    3,390,381.88x = 4,678,811.37 × 1,841,643.11
  4. Step 4: Simplify right side
    3,390,381.88x = 8,616,700,722,550.16
  5. Step 5: Solve for x
    x = 8,616,700,722,550.16/3,390,381.88
  6. Step 6: Final answer
    x = 2,541,513.33

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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.