Home / 4,785,999.90-7,178,999.85-3,935,694.30

Finding the Fourth Proportional to 4,785,999.90, 7,178,999.85 and 3,935,694.30

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Solution

The fourth proportional to 4,785,999.90, 7,178,999.85 and 3,935,694.30 is: 5,903,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,999.90 : 7,178,999.85 = 3,935,694.30 : x
  2. Step 2: Convert to fraction form
    4,785,999.90/7,178,999.85 = 3,935,694.30/x
  3. Step 3: Cross multiply
    4,785,999.90x = 7,178,999.85 × 3,935,694.30
  4. Step 4: Simplify right side
    4,785,999.90x = 28,254,348,789,345.85
  5. Step 5: Solve for x
    x = 28,254,348,789,345.85/4,785,999.90
  6. Step 6: Final answer
    x = 5,903,541.45

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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.