Home / 6,440,069.40-9,660,104.10-3,920,645.40

Finding the Fourth Proportional to 6,440,069.40, 9,660,104.10 and 3,920,645.40

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Solution

The fourth proportional to 6,440,069.40, 9,660,104.10 and 3,920,645.40 is: 5,880,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,069.40 : 9,660,104.10 = 3,920,645.40 : x
  2. Step 2: Convert to fraction form
    6,440,069.40/9,660,104.10 = 3,920,645.40/x
  3. Step 3: Cross multiply
    6,440,069.40x = 9,660,104.10 × 3,920,645.40
  4. Step 4: Simplify right side
    6,440,069.40x = 37,873,842,703,186.14
  5. Step 5: Solve for x
    x = 37,873,842,703,186.14/6,440,069.40
  6. Step 6: Final answer
    x = 5,880,968.10

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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.