Home / 2,872,386.20-4,309,211.10-850,788.20

Finding the Fourth Proportional to 2,872,386.20, 4,309,211.10 and 850,788.20

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Solution

The fourth proportional to 2,872,386.20, 4,309,211.10 and 850,788.20 is: 1,276,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,386.20 : 4,309,211.10 = 850,788.20 : x
  2. Step 2: Convert to fraction form
    2,872,386.20/4,309,211.10 = 850,788.20/x
  3. Step 3: Cross multiply
    2,872,386.20x = 4,309,211.10 × 850,788.20
  4. Step 4: Simplify right side
    2,872,386.20x = 3,666,225,955,189.02
  5. Step 5: Solve for x
    x = 3,666,225,955,189.02/2,872,386.20
  6. Step 6: Final answer
    x = 1,276,369.44

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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.