Home / 1,987,258-2,742,422.52-1,081,846.48

Finding the Fourth Proportional to 1,987,258, 2,742,422.52 and 1,081,846.48

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Solution

The fourth proportional to 1,987,258, 2,742,422.52 and 1,081,846.48 is: 1,492,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,258 : 2,742,422.52 = 1,081,846.48 : x
  2. Step 2: Convert to fraction form
    1,987,258/2,742,422.52 = 1,081,846.48/x
  3. Step 3: Cross multiply
    1,987,258x = 2,742,422.52 × 1,081,846.48
  4. Step 4: Simplify right side
    1,987,258x = 2,966,880,149,934.73
  5. Step 5: Solve for x
    x = 2,966,880,149,934.73/1,987,258
  6. Step 6: Final answer
    x = 1,492,951.67

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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.