Home / 5,269,126.50-7,903,709.19-1,280,038.50

Finding the Fourth Proportional to 5,269,126.50, 7,903,709.19 and 1,280,038.50

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Solution

The fourth proportional to 5,269,126.50, 7,903,709.19 and 1,280,038.50 is: 1,920,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269,126.50 : 7,903,709.19 = 1,280,038.50 : x
  2. Step 2: Convert to fraction form
    5,269,126.50/7,903,709.19 = 1,280,038.50/x
  3. Step 3: Cross multiply
    5,269,126.50x = 7,903,709.19 × 1,280,038.50
  4. Step 4: Simplify right side
    5,269,126.50x = 10,117,052,056,003.82
  5. Step 5: Solve for x
    x = 10,117,052,056,003.82/5,269,126.50
  6. Step 6: Final answer
    x = 1,920,062.47

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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.