Home / 1,915,172.60-2,642,956.14-1,055,763.60

Finding the Fourth Proportional to 1,915,172.60, 2,642,956.14 and 1,055,763.60

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Solution

The fourth proportional to 1,915,172.60, 2,642,956.14 and 1,055,763.60 is: 1,456,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,172.60 : 2,642,956.14 = 1,055,763.60 : x
  2. Step 2: Convert to fraction form
    1,915,172.60/2,642,956.14 = 1,055,763.60/x
  3. Step 3: Cross multiply
    1,915,172.60x = 2,642,956.14 × 1,055,763.60
  4. Step 4: Simplify right side
    1,915,172.60x = 2,790,336,889,008.50
  5. Step 5: Solve for x
    x = 2,790,336,889,008.50/1,915,172.60
  6. Step 6: Final answer
    x = 1,456,963.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.