Home / 4,653,845.40-6,980,768.10-1,288,052.40

Finding the Fourth Proportional to 4,653,845.40, 6,980,768.10 and 1,288,052.40

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Solution

The fourth proportional to 4,653,845.40, 6,980,768.10 and 1,288,052.40 is: 1,932,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,845.40 : 6,980,768.10 = 1,288,052.40 : x
  2. Step 2: Convert to fraction form
    4,653,845.40/6,980,768.10 = 1,288,052.40/x
  3. Step 3: Cross multiply
    4,653,845.40x = 6,980,768.10 × 1,288,052.40
  4. Step 4: Simplify right side
    4,653,845.40x = 8,991,595,105,048.44
  5. Step 5: Solve for x
    x = 8,991,595,105,048.44/4,653,845.40
  6. Step 6: Final answer
    x = 1,932,078.60

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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.