Home / 3,240,000.40-4,860,000.60-3,115,584.40

Finding the Fourth Proportional to 3,240,000.40, 4,860,000.60 and 3,115,584.40

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Solution

The fourth proportional to 3,240,000.40, 4,860,000.60 and 3,115,584.40 is: 4,673,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,000.40 : 4,860,000.60 = 3,115,584.40 : x
  2. Step 2: Convert to fraction form
    3,240,000.40/4,860,000.60 = 3,115,584.40/x
  3. Step 3: Cross multiply
    3,240,000.40x = 4,860,000.60 × 3,115,584.40
  4. Step 4: Simplify right side
    3,240,000.40x = 15,141,742,053,350.64
  5. Step 5: Solve for x
    x = 15,141,742,053,350.64/3,240,000.40
  6. Step 6: Final answer
    x = 4,673,376.60

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Similar ratio
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1.5x scale

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.