Home / 4,780,638.56-7,168,848.08-1,368,148.20

Finding the Fourth Proportional to 4,780,638.56, 7,168,848.08 and 1,368,148.20

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Solution

The fourth proportional to 4,780,638.56, 7,168,848.08 and 1,368,148.20 is: 2,051,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,638.56 : 7,168,848.08 = 1,368,148.20 : x
  2. Step 2: Convert to fraction form
    4,780,638.56/7,168,848.08 = 1,368,148.20/x
  3. Step 3: Cross multiply
    4,780,638.56x = 7,168,848.08 × 1,368,148.20
  4. Step 4: Simplify right side
    4,780,638.56x = 9,808,046,589,884.72
  5. Step 5: Solve for x
    x = 9,808,046,589,884.72/4,780,638.56
  6. Step 6: Final answer
    x = 2,051,618.52

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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.