Home / 2,280,379.05-3,421,916.42-842,069.88

Finding the Fourth Proportional to 2,280,379.05, 3,421,916.42 and 842,069.88

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Solution

The fourth proportional to 2,280,379.05, 3,421,916.42 and 842,069.88 is: 1,263,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,379.05 : 3,421,916.42 = 842,069.88 : x
  2. Step 2: Convert to fraction form
    2,280,379.05/3,421,916.42 = 842,069.88/x
  3. Step 3: Cross multiply
    2,280,379.05x = 3,421,916.42 × 842,069.88
  4. Step 4: Simplify right side
    2,280,379.05x = 2,881,492,744,949.08
  5. Step 5: Solve for x
    x = 2,881,492,744,949.08/2,280,379.05
  6. Step 6: Final answer
    x = 1,263,602.53

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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.