Home / 6,223,045.86-9,335,939.82-1,905,128.74

Finding the Fourth Proportional to 6,223,045.86, 9,335,939.82 and 1,905,128.74

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Solution

The fourth proportional to 6,223,045.86, 9,335,939.82 and 1,905,128.74 is: 2,858,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223,045.86 : 9,335,939.82 = 1,905,128.74 : x
  2. Step 2: Convert to fraction form
    6,223,045.86/9,335,939.82 = 1,905,128.74/x
  3. Step 3: Cross multiply
    6,223,045.86x = 9,335,939.82 × 1,905,128.74
  4. Step 4: Simplify right side
    6,223,045.86x = 17,786,167,270,518.12
  5. Step 5: Solve for x
    x = 17,786,167,270,518.12/6,223,045.86
  6. Step 6: Final answer
    x = 2,858,112.84

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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.