Home / 2,118,142.92-2,923,056.63-1,151,275.44

Finding the Fourth Proportional to 2,118,142.92, 2,923,056.63 and 1,151,275.44

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Solution

The fourth proportional to 2,118,142.92, 2,923,056.63 and 1,151,275.44 is: 1,588,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,142.92 : 2,923,056.63 = 1,151,275.44 : x
  2. Step 2: Convert to fraction form
    2,118,142.92/2,923,056.63 = 1,151,275.44/x
  3. Step 3: Cross multiply
    2,118,142.92x = 2,923,056.63 × 1,151,275.44
  4. Step 4: Simplify right side
    2,118,142.92x = 3,365,243,307,848.17
  5. Step 5: Solve for x
    x = 3,365,243,307,848.17/2,118,142.92
  6. Step 6: Final answer
    x = 1,588,770.65

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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.