Home / 4,678,365.70-7,017,548.55-4,398,429.70

Finding the Fourth Proportional to 4,678,365.70, 7,017,548.55 and 4,398,429.70

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Solution

The fourth proportional to 4,678,365.70, 7,017,548.55 and 4,398,429.70 is: 6,597,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,365.70 : 7,017,548.55 = 4,398,429.70 : x
  2. Step 2: Convert to fraction form
    4,678,365.70/7,017,548.55 = 4,398,429.70/x
  3. Step 3: Cross multiply
    4,678,365.70x = 7,017,548.55 × 4,398,429.70
  4. Step 4: Simplify right side
    4,678,365.70x = 30,866,193,963,511.93
  5. Step 5: Solve for x
    x = 30,866,193,963,511.93/4,678,365.70
  6. Step 6: Final answer
    x = 6,597,644.55

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Similar ratio
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1.5x scale

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.