Home / 5,390,015.80-8,085,023.70-2,555,663.80

Finding the Fourth Proportional to 5,390,015.80, 8,085,023.70 and 2,555,663.80

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Solution

The fourth proportional to 5,390,015.80, 8,085,023.70 and 2,555,663.80 is: 3,833,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,015.80 : 8,085,023.70 = 2,555,663.80 : x
  2. Step 2: Convert to fraction form
    5,390,015.80/8,085,023.70 = 2,555,663.80/x
  3. Step 3: Cross multiply
    5,390,015.80x = 8,085,023.70 × 2,555,663.80
  4. Step 4: Simplify right side
    5,390,015.80x = 20,662,602,392,232.06
  5. Step 5: Solve for x
    x = 20,662,602,392,232.06/5,390,015.80
  6. Step 6: Final answer
    x = 3,833,495.70

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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.