Home / 4,678,311.80-7,017,467.70-2,655,774.20

Finding the Fourth Proportional to 4,678,311.80, 7,017,467.70 and 2,655,774.20

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Solution

The fourth proportional to 4,678,311.80, 7,017,467.70 and 2,655,774.20 is: 3,983,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,311.80 : 7,017,467.70 = 2,655,774.20 : x
  2. Step 2: Convert to fraction form
    4,678,311.80/7,017,467.70 = 2,655,774.20/x
  3. Step 3: Cross multiply
    4,678,311.80x = 7,017,467.70 × 2,655,774.20
  4. Step 4: Simplify right side
    4,678,311.80x = 18,636,809,666,993.34
  5. Step 5: Solve for x
    x = 18,636,809,666,993.34/4,678,311.80
  6. Step 6: Final answer
    x = 3,983,661.30

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Similar ratio
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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.