Home / 5,620,280.67-8,430,719.31-1,782,405.54

Finding the Fourth Proportional to 5,620,280.67, 8,430,719.31 and 1,782,405.54

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Solution

The fourth proportional to 5,620,280.67, 8,430,719.31 and 1,782,405.54 is: 2,673,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,280.67 : 8,430,719.31 = 1,782,405.54 : x
  2. Step 2: Convert to fraction form
    5,620,280.67/8,430,719.31 = 1,782,405.54/x
  3. Step 3: Cross multiply
    5,620,280.67x = 8,430,719.31 × 1,782,405.54
  4. Step 4: Simplify right side
    5,620,280.67x = 15,026,960,804,328.98
  5. Step 5: Solve for x
    x = 15,026,960,804,328.98/5,620,280.67
  6. Step 6: Final answer
    x = 2,673,702.91

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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.