Home / 4,090,624.53-5,645,100.04-2,255,148.72

Finding the Fourth Proportional to 4,090,624.53, 5,645,100.04 and 2,255,148.72

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Solution

The fourth proportional to 4,090,624.53, 5,645,100.04 and 2,255,148.72 is: 3,112,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,624.53 : 5,645,100.04 = 2,255,148.72 : x
  2. Step 2: Convert to fraction form
    4,090,624.53/5,645,100.04 = 2,255,148.72/x
  3. Step 3: Cross multiply
    4,090,624.53x = 5,645,100.04 × 2,255,148.72
  4. Step 4: Simplify right side
    4,090,624.53x = 12,730,540,129,477.95
  5. Step 5: Solve for x
    x = 12,730,540,129,477.95/4,090,624.53
  6. Step 6: Final answer
    x = 3,112,126.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.