Home / 2,637,792.40-3,958,000.80-1,040,407.60

Finding the Fourth Proportional to 2,637,792.40, 3,958,000.80 and 1,040,407.60

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Solution

The fourth proportional to 2,637,792.40, 3,958,000.80 and 1,040,407.60 is: 1,561,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,792.40 : 3,958,000.80 = 1,040,407.60 : x
  2. Step 2: Convert to fraction form
    2,637,792.40/3,958,000.80 = 1,040,407.60/x
  3. Step 3: Cross multiply
    2,637,792.40x = 3,958,000.80 × 1,040,407.60
  4. Step 4: Simplify right side
    2,637,792.40x = 4,117,934,113,126.08
  5. Step 5: Solve for x
    x = 4,117,934,113,126.08/2,637,792.40
  6. Step 6: Final answer
    x = 1,561,128.96

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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.