Home / 5,101,389.70-7,040,235.93-2,809,549.78

Finding the Fourth Proportional to 5,101,389.70, 7,040,235.93 and 2,809,549.78

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Solution

The fourth proportional to 5,101,389.70, 7,040,235.93 and 2,809,549.78 is: 3,877,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,389.70 : 7,040,235.93 = 2,809,549.78 : x
  2. Step 2: Convert to fraction form
    5,101,389.70/7,040,235.93 = 2,809,549.78/x
  3. Step 3: Cross multiply
    5,101,389.70x = 7,040,235.93 × 2,809,549.78
  4. Step 4: Simplify right side
    5,101,389.70x = 19,779,893,308,279.59
  5. Step 5: Solve for x
    x = 19,779,893,308,279.59/5,101,389.70
  6. Step 6: Final answer
    x = 3,877,353.91

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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.