Home / 2,856,981.61-3,942,440.40-1,567,905.04

Finding the Fourth Proportional to 2,856,981.61, 3,942,440.40 and 1,567,905.04

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Solution

The fourth proportional to 2,856,981.61, 3,942,440.40 and 1,567,905.04 is: 2,163,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,981.61 : 3,942,440.40 = 1,567,905.04 : x
  2. Step 2: Convert to fraction form
    2,856,981.61/3,942,440.40 = 1,567,905.04/x
  3. Step 3: Cross multiply
    2,856,981.61x = 3,942,440.40 × 1,567,905.04
  4. Step 4: Simplify right side
    2,856,981.61x = 6,181,372,173,059.62
  5. Step 5: Solve for x
    x = 6,181,372,173,059.62/2,856,981.61
  6. Step 6: Final answer
    x = 2,163,602.37

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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.