Home / 2,075,893.80-3,113,840.70-1,131,109.80

Finding the Fourth Proportional to 2,075,893.80, 3,113,840.70 and 1,131,109.80

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Solution

The fourth proportional to 2,075,893.80, 3,113,840.70 and 1,131,109.80 is: 1,696,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,893.80 : 3,113,840.70 = 1,131,109.80 : x
  2. Step 2: Convert to fraction form
    2,075,893.80/3,113,840.70 = 1,131,109.80/x
  3. Step 3: Cross multiply
    2,075,893.80x = 3,113,840.70 × 1,131,109.80
  4. Step 4: Simplify right side
    2,075,893.80x = 3,522,095,731,408.86
  5. Step 5: Solve for x
    x = 3,522,095,731,408.86/2,075,893.80
  6. Step 6: Final answer
    x = 1,696,664.70

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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.