Home / 2,580,737.03-3,870,855.40-783,636.30

Finding the Fourth Proportional to 2,580,737.03, 3,870,855.40 and 783,636.30

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Solution

The fourth proportional to 2,580,737.03, 3,870,855.40 and 783,636.30 is: 1,175,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,737.03 : 3,870,855.40 = 783,636.30 : x
  2. Step 2: Convert to fraction form
    2,580,737.03/3,870,855.40 = 783,636.30/x
  3. Step 3: Cross multiply
    2,580,737.03x = 3,870,855.40 × 783,636.30
  4. Step 4: Simplify right side
    2,580,737.03x = 3,033,342,803,491.02
  5. Step 5: Solve for x
    x = 3,033,342,803,491.02/2,580,737.03
  6. Step 6: Final answer
    x = 1,175,378.49

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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.