Home / 4,678,394.34-7,020,390.86-4,297,681.38

Finding the Fourth Proportional to 4,678,394.34, 7,020,390.86 and 4,297,681.38

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Solution

The fourth proportional to 4,678,394.34, 7,020,390.86 and 4,297,681.38 is: 6,449,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,394.34 : 7,020,390.86 = 4,297,681.38 : x
  2. Step 2: Convert to fraction form
    4,678,394.34/7,020,390.86 = 4,297,681.38/x
  3. Step 3: Cross multiply
    4,678,394.34x = 7,020,390.86 × 4,297,681.38
  4. Step 4: Simplify right side
    4,678,394.34x = 30,171,403,079,344.19
  5. Step 5: Solve for x
    x = 30,171,403,079,344.19/4,678,394.34
  6. Step 6: Final answer
    x = 6,449,093.62

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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.