Home / 2,128,865.60-3,193,298.40-2,023,889.60

Finding the Fourth Proportional to 2,128,865.60, 3,193,298.40 and 2,023,889.60

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Solution

The fourth proportional to 2,128,865.60, 3,193,298.40 and 2,023,889.60 is: 3,035,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,865.60 : 3,193,298.40 = 2,023,889.60 : x
  2. Step 2: Convert to fraction form
    2,128,865.60/3,193,298.40 = 2,023,889.60/x
  3. Step 3: Cross multiply
    2,128,865.60x = 3,193,298.40 × 2,023,889.60
  4. Step 4: Simplify right side
    2,128,865.60x = 6,462,883,421,456.64
  5. Step 5: Solve for x
    x = 6,462,883,421,456.64/2,128,865.60
  6. Step 6: Final answer
    x = 3,035,834.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.