Home / 2,075,785.20-3,113,677.80-1,235,977.20

Finding the Fourth Proportional to 2,075,785.20, 3,113,677.80 and 1,235,977.20

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Solution

The fourth proportional to 2,075,785.20, 3,113,677.80 and 1,235,977.20 is: 1,853,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,785.20 : 3,113,677.80 = 1,235,977.20 : x
  2. Step 2: Convert to fraction form
    2,075,785.20/3,113,677.80 = 1,235,977.20/x
  3. Step 3: Cross multiply
    2,075,785.20x = 3,113,677.80 × 1,235,977.20
  4. Step 4: Simplify right side
    2,075,785.20x = 3,848,434,768,946.16
  5. Step 5: Solve for x
    x = 3,848,434,768,946.16/2,075,785.20
  6. Step 6: Final answer
    x = 1,853,965.80

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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.