Home / 5,299,497.60-7,949,246.40-4,890,091.20

Finding the Fourth Proportional to 5,299,497.60, 7,949,246.40 and 4,890,091.20

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Solution

The fourth proportional to 5,299,497.60, 7,949,246.40 and 4,890,091.20 is: 7,335,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,497.60 : 7,949,246.40 = 4,890,091.20 : x
  2. Step 2: Convert to fraction form
    5,299,497.60/7,949,246.40 = 4,890,091.20/x
  3. Step 3: Cross multiply
    5,299,497.60x = 7,949,246.40 × 4,890,091.20
  4. Step 4: Simplify right side
    5,299,497.60x = 38,872,539,867,271.68
  5. Step 5: Solve for x
    x = 38,872,539,867,271.68/5,299,497.60
  6. Step 6: Final answer
    x = 7,335,136.80

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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.