Home / 4,920,389.40-7,380,584.10-3,020,971.80

Finding the Fourth Proportional to 4,920,389.40, 7,380,584.10 and 3,020,971.80

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Solution

The fourth proportional to 4,920,389.40, 7,380,584.10 and 3,020,971.80 is: 4,531,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,389.40 : 7,380,584.10 = 3,020,971.80 : x
  2. Step 2: Convert to fraction form
    4,920,389.40/7,380,584.10 = 3,020,971.80/x
  3. Step 3: Cross multiply
    4,920,389.40x = 7,380,584.10 × 3,020,971.80
  4. Step 4: Simplify right side
    4,920,389.40x = 22,296,536,433,628.38
  5. Step 5: Solve for x
    x = 22,296,536,433,628.38/4,920,389.40
  6. Step 6: Final answer
    x = 4,531,457.70

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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.