Home / 2,054,231.40-3,075,442.20-1,257,069.90

Finding the Fourth Proportional to 2,054,231.40, 3,075,442.20 and 1,257,069.90

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Solution

The fourth proportional to 2,054,231.40, 3,075,442.20 and 1,257,069.90 is: 1,881,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054,231.40 : 3,075,442.20 = 1,257,069.90 : x
  2. Step 2: Convert to fraction form
    2,054,231.40/3,075,442.20 = 1,257,069.90/x
  3. Step 3: Cross multiply
    2,054,231.40x = 3,075,442.20 × 1,257,069.90
  4. Step 4: Simplify right side
    2,054,231.40x = 3,866,045,818,809.78
  5. Step 5: Solve for x
    x = 3,866,045,818,809.78/2,054,231.40
  6. Step 6: Final answer
    x = 1,881,991.40

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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.