Home / 3,438,721.15-4,745,484.39-1,890,126.02

Finding the Fourth Proportional to 3,438,721.15, 4,745,484.39 and 1,890,126.02

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Solution

The fourth proportional to 3,438,721.15, 4,745,484.39 and 1,890,126.02 is: 2,608,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,721.15 : 4,745,484.39 = 1,890,126.02 : x
  2. Step 2: Convert to fraction form
    3,438,721.15/4,745,484.39 = 1,890,126.02/x
  3. Step 3: Cross multiply
    3,438,721.15x = 4,745,484.39 × 1,890,126.02
  4. Step 4: Simplify right side
    3,438,721.15x = 8,969,563,541,994.51
  5. Step 5: Solve for x
    x = 8,969,563,541,994.51/3,438,721.15
  6. Step 6: Final answer
    x = 2,608,400.96

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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.