Home / 4,678,390.83-7,020,385.62-4,297,677.87

Finding the Fourth Proportional to 4,678,390.83, 7,020,385.62 and 4,297,677.87

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Solution

The fourth proportional to 4,678,390.83, 7,020,385.62 and 4,297,677.87 is: 6,449,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,390.83 : 7,020,385.62 = 4,297,677.87 : x
  2. Step 2: Convert to fraction form
    4,678,390.83/7,020,385.62 = 4,297,677.87/x
  3. Step 3: Cross multiply
    4,678,390.83x = 7,020,385.62 × 4,297,677.87
  4. Step 4: Simplify right side
    4,678,390.83x = 30,171,355,917,940.23
  5. Step 5: Solve for x
    x = 30,171,355,917,940.23/4,678,390.83
  6. Step 6: Final answer
    x = 6,449,088.38

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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.