Home / 4,215,699.60-6,308,803.80-3,861,805.20

Finding the Fourth Proportional to 4,215,699.60, 6,308,803.80 and 3,861,805.20

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Solution

The fourth proportional to 4,215,699.60, 6,308,803.80 and 3,861,805.20 is: 5,779,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,699.60 : 6,308,803.80 = 3,861,805.20 : x
  2. Step 2: Convert to fraction form
    4,215,699.60/6,308,803.80 = 3,861,805.20/x
  3. Step 3: Cross multiply
    4,215,699.60x = 6,308,803.80 × 3,861,805.20
  4. Step 4: Simplify right side
    4,215,699.60x = 24,363,371,320,619.76
  5. Step 5: Solve for x
    x = 24,363,371,320,619.76/4,215,699.60
  6. Step 6: Final answer
    x = 5,779,200.05

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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.