Home / 2,742,170.42-3,784,148.69-1,518,449.76

Finding the Fourth Proportional to 2,742,170.42, 3,784,148.69 and 1,518,449.76

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Solution

The fourth proportional to 2,742,170.42, 3,784,148.69 and 1,518,449.76 is: 2,095,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,170.42 : 3,784,148.69 = 1,518,449.76 : x
  2. Step 2: Convert to fraction form
    2,742,170.42/3,784,148.69 = 1,518,449.76/x
  3. Step 3: Cross multiply
    2,742,170.42x = 3,784,148.69 × 1,518,449.76
  4. Step 4: Simplify right side
    2,742,170.42x = 5,746,039,662,542.57
  5. Step 5: Solve for x
    x = 5,746,039,662,542.57/2,742,170.42
  6. Step 6: Final answer
    x = 2,095,434.92

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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.