Home / 5,228,746.88-7,215,513.54-2,905,631.60

Finding the Fourth Proportional to 5,228,746.88, 7,215,513.54 and 2,905,631.60

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Solution

The fourth proportional to 5,228,746.88, 7,215,513.54 and 2,905,631.60 is: 4,009,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,746.88 : 7,215,513.54 = 2,905,631.60 : x
  2. Step 2: Convert to fraction form
    5,228,746.88/7,215,513.54 = 2,905,631.60/x
  3. Step 3: Cross multiply
    5,228,746.88x = 7,215,513.54 × 2,905,631.60
  4. Step 4: Simplify right side
    5,228,746.88x = 20,965,624,152,051.86
  5. Step 5: Solve for x
    x = 20,965,624,152,051.86/5,228,746.88
  6. Step 6: Final answer
    x = 4,009,684.28

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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.