Home / 2,787,283.22-4,180,916.36-765,528.93

Finding the Fourth Proportional to 2,787,283.22, 4,180,916.36 and 765,528.93

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Solution

The fourth proportional to 2,787,283.22, 4,180,916.36 and 765,528.93 is: 1,148,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,283.22 : 4,180,916.36 = 765,528.93 : x
  2. Step 2: Convert to fraction form
    2,787,283.22/4,180,916.36 = 765,528.93/x
  3. Step 3: Cross multiply
    2,787,283.22x = 4,180,916.36 × 765,528.93
  4. Step 4: Simplify right side
    2,787,283.22x = 3,200,612,429,404.12
  5. Step 5: Solve for x
    x = 3,200,612,429,404.12/2,787,283.22
  6. Step 6: Final answer
    x = 1,148,291.07

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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.