Home / 6,400,348.20-9,601,904.70-1,913,077.80

Finding the Fourth Proportional to 6,400,348.20, 9,601,904.70 and 1,913,077.80

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Solution

The fourth proportional to 6,400,348.20, 9,601,904.70 and 1,913,077.80 is: 2,870,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,348.20 : 9,601,904.70 = 1,913,077.80 : x
  2. Step 2: Convert to fraction form
    6,400,348.20/9,601,904.70 = 1,913,077.80/x
  3. Step 3: Cross multiply
    6,400,348.20x = 9,601,904.70 × 1,913,077.80
  4. Step 4: Simplify right side
    6,400,348.20x = 18,369,190,719,285.66
  5. Step 5: Solve for x
    x = 18,369,190,719,285.66/6,400,348.20
  6. Step 6: Final answer
    x = 2,870,029.90

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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.