Home / 5,175,358.45-7,142,042.90-2,852,333.80

Finding the Fourth Proportional to 5,175,358.45, 7,142,042.90 and 2,852,333.80

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Solution

The fourth proportional to 5,175,358.45, 7,142,042.90 and 2,852,333.80 is: 3,936,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,358.45 : 7,142,042.90 = 2,852,333.80 : x
  2. Step 2: Convert to fraction form
    5,175,358.45/7,142,042.90 = 2,852,333.80/x
  3. Step 3: Cross multiply
    5,175,358.45x = 7,142,042.90 × 2,852,333.80
  4. Step 4: Simplify right side
    5,175,358.45x = 20,371,490,353,995.75
  5. Step 5: Solve for x
    x = 20,371,490,353,995.75/5,175,358.45
  6. Step 6: Final answer
    x = 3,936,247.23

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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.