Home / 5,188,911.02-7,160,655.16-2,865,962.78

Finding the Fourth Proportional to 5,188,911.02, 7,160,655.16 and 2,865,962.78

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Solution

The fourth proportional to 5,188,911.02, 7,160,655.16 and 2,865,962.78 is: 3,955,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,911.02 : 7,160,655.16 = 2,865,962.78 : x
  2. Step 2: Convert to fraction form
    5,188,911.02/7,160,655.16 = 2,865,962.78/x
  3. Step 3: Cross multiply
    5,188,911.02x = 7,160,655.16 × 2,865,962.78
  4. Step 4: Simplify right side
    5,188,911.02x = 20,522,171,168,974.95
  5. Step 5: Solve for x
    x = 20,522,171,168,974.95/5,188,911.02
  6. Step 6: Final answer
    x = 3,955,005.41

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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.