Home / 5,269,140-7,903,729.44-1,280,052

Finding the Fourth Proportional to 5,269,140, 7,903,729.44 and 1,280,052

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Solution

The fourth proportional to 5,269,140, 7,903,729.44 and 1,280,052 is: 1,920,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269,140 : 7,903,729.44 = 1,280,052 : x
  2. Step 2: Convert to fraction form
    5,269,140/7,903,729.44 = 1,280,052/x
  3. Step 3: Cross multiply
    5,269,140x = 7,903,729.44 × 1,280,052
  4. Step 4: Simplify right side
    5,269,140x = 10,117,184,677,130.88
  5. Step 5: Solve for x
    x = 10,117,184,677,130.88/5,269,140
  6. Step 6: Final answer
    x = 1,920,082.72

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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.