Home / 5,208,045.60-7,805,847.60-2,682,400.80

Finding the Fourth Proportional to 5,208,045.60, 7,805,847.60 and 2,682,400.80

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Solution

The fourth proportional to 5,208,045.60, 7,805,847.60 and 2,682,400.80 is: 4,020,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,045.60 : 7,805,847.60 = 2,682,400.80 : x
  2. Step 2: Convert to fraction form
    5,208,045.60/7,805,847.60 = 2,682,400.80/x
  3. Step 3: Cross multiply
    5,208,045.60x = 7,805,847.60 × 2,682,400.80
  4. Step 4: Simplify right side
    5,208,045.60x = 20,938,411,846,918.08
  5. Step 5: Solve for x
    x = 20,938,411,846,918.08/5,208,045.60
  6. Step 6: Final answer
    x = 4,020,397.18

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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.