Home / 2,819,511.84-3,890,916.48-1,530,352.20

Finding the Fourth Proportional to 2,819,511.84, 3,890,916.48 and 1,530,352.20

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Solution

The fourth proportional to 2,819,511.84, 3,890,916.48 and 1,530,352.20 is: 2,111,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,511.84 : 3,890,916.48 = 1,530,352.20 : x
  2. Step 2: Convert to fraction form
    2,819,511.84/3,890,916.48 = 1,530,352.20/x
  3. Step 3: Cross multiply
    2,819,511.84x = 3,890,916.48 × 1,530,352.20
  4. Step 4: Simplify right side
    2,819,511.84x = 5,954,472,595,184.26
  5. Step 5: Solve for x
    x = 5,954,472,595,184.26/2,819,511.84
  6. Step 6: Final answer
    x = 2,111,880.68

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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.