Home / 4,785,999.40-7,178,999.10-3,935,693.80

Finding the Fourth Proportional to 4,785,999.40, 7,178,999.10 and 3,935,693.80

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Solution

The fourth proportional to 4,785,999.40, 7,178,999.10 and 3,935,693.80 is: 5,903,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,999.40 : 7,178,999.10 = 3,935,693.80 : x
  2. Step 2: Convert to fraction form
    4,785,999.40/7,178,999.10 = 3,935,693.80/x
  3. Step 3: Cross multiply
    4,785,999.40x = 7,178,999.10 × 3,935,693.80
  4. Step 4: Simplify right side
    4,785,999.40x = 28,254,342,248,075.58
  5. Step 5: Solve for x
    x = 28,254,342,248,075.58/4,785,999.40
  6. Step 6: Final answer
    x = 5,903,540.70

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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.