Home / 2,075,605.60-3,113,408.40-1,329,109.60

Finding the Fourth Proportional to 2,075,605.60, 3,113,408.40 and 1,329,109.60

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Solution

The fourth proportional to 2,075,605.60, 3,113,408.40 and 1,329,109.60 is: 1,993,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,605.60 : 3,113,408.40 = 1,329,109.60 : x
  2. Step 2: Convert to fraction form
    2,075,605.60/3,113,408.40 = 1,329,109.60/x
  3. Step 3: Cross multiply
    2,075,605.60x = 3,113,408.40 × 1,329,109.60
  4. Step 4: Simplify right side
    2,075,605.60x = 4,138,060,993,160.64
  5. Step 5: Solve for x
    x = 4,138,060,993,160.64/2,075,605.60
  6. Step 6: Final answer
    x = 1,993,664.40

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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.