Home / 2,872,386.70-4,309,211.85-850,788.70

Finding the Fourth Proportional to 2,872,386.70, 4,309,211.85 and 850,788.70

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Solution

The fourth proportional to 2,872,386.70, 4,309,211.85 and 850,788.70 is: 1,276,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,386.70 : 4,309,211.85 = 850,788.70 : x
  2. Step 2: Convert to fraction form
    2,872,386.70/4,309,211.85 = 850,788.70/x
  3. Step 3: Cross multiply
    2,872,386.70x = 4,309,211.85 × 850,788.70
  4. Step 4: Simplify right side
    2,872,386.70x = 3,666,228,747,886.09
  5. Step 5: Solve for x
    x = 3,666,228,747,886.09/2,872,386.70
  6. Step 6: Final answer
    x = 1,276,370.19

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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.