Home / 5,638,282.56-7,780,888.08-3,059,985.60

Finding the Fourth Proportional to 5,638,282.56, 7,780,888.08 and 3,059,985.60

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Solution

The fourth proportional to 5,638,282.56, 7,780,888.08 and 3,059,985.60 is: 4,222,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,282.56 : 7,780,888.08 = 3,059,985.60 : x
  2. Step 2: Convert to fraction form
    5,638,282.56/7,780,888.08 = 3,059,985.60/x
  3. Step 3: Cross multiply
    5,638,282.56x = 7,780,888.08 × 3,059,985.60
  4. Step 4: Simplify right side
    5,638,282.56x = 23,809,405,480,011.65
  5. Step 5: Solve for x
    x = 23,809,405,480,011.65/5,638,282.56
  6. Step 6: Final answer
    x = 4,222,811.69

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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.