Home / 2,938,849.40-4,402,369.20-1,675,200.80

Finding the Fourth Proportional to 2,938,849.40, 4,402,369.20 and 1,675,200.80

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Solution

The fourth proportional to 2,938,849.40, 4,402,369.20 and 1,675,200.80 is: 2,509,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,849.40 : 4,402,369.20 = 1,675,200.80 : x
  2. Step 2: Convert to fraction form
    2,938,849.40/4,402,369.20 = 1,675,200.80/x
  3. Step 3: Cross multiply
    2,938,849.40x = 4,402,369.20 × 1,675,200.80
  4. Step 4: Simplify right side
    2,938,849.40x = 7,374,852,405,735.36
  5. Step 5: Solve for x
    x = 7,374,852,405,735.36/2,938,849.40
  6. Step 6: Final answer
    x = 2,509,435.29

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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.