Home / 6,920,961.40-10,385,160.20-2,880,235

Finding the Fourth Proportional to 6,920,961.40, 10,385,160.20 and 2,880,235

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Solution

The fourth proportional to 6,920,961.40, 10,385,160.20 and 2,880,235 is: 4,321,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,961.40 : 10,385,160.20 = 2,880,235 : x
  2. Step 2: Convert to fraction form
    6,920,961.40/10,385,160.20 = 2,880,235/x
  3. Step 3: Cross multiply
    6,920,961.40x = 10,385,160.20 × 2,880,235
  4. Step 4: Simplify right side
    6,920,961.40x = 29,911,701,888,647.00
  5. Step 5: Solve for x
    x = 29,911,701,888,647.00/6,920,961.40
  6. Step 6: Final answer
    x = 4,321,899.83

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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.