Home / 2,766,069.87-4,148,206.88-919,085.72

Finding the Fourth Proportional to 2,766,069.87, 4,148,206.88 and 919,085.72

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Solution

The fourth proportional to 2,766,069.87, 4,148,206.88 and 919,085.72 is: 1,378,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,069.87 : 4,148,206.88 = 919,085.72 : x
  2. Step 2: Convert to fraction form
    2,766,069.87/4,148,206.88 = 919,085.72/x
  3. Step 3: Cross multiply
    2,766,069.87x = 4,148,206.88 × 919,085.72
  4. Step 4: Simplify right side
    2,766,069.87x = 3,812,557,719,681.99
  5. Step 5: Solve for x
    x = 3,812,557,719,681.99/2,766,069.87
  6. Step 6: Final answer
    x = 1,378,330.23

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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.