Home / 1,953,719.76-2,697,449.76-1,219,792.56

Finding the Fourth Proportional to 1,953,719.76, 2,697,449.76 and 1,219,792.56

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Solution

The fourth proportional to 1,953,719.76, 2,697,449.76 and 1,219,792.56 is: 1,684,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,719.76 : 2,697,449.76 = 1,219,792.56 : x
  2. Step 2: Convert to fraction form
    1,953,719.76/2,697,449.76 = 1,219,792.56/x
  3. Step 3: Cross multiply
    1,953,719.76x = 2,697,449.76 × 1,219,792.56
  4. Step 4: Simplify right side
    1,953,719.76x = 3,290,329,148,221.79
  5. Step 5: Solve for x
    x = 3,290,329,148,221.79/1,953,719.76
  6. Step 6: Final answer
    x = 1,684,135.68

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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.