Home / 5,363,999.70-8,045,999.55-1,320,455.40

Finding the Fourth Proportional to 5,363,999.70, 8,045,999.55 and 1,320,455.40

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Solution

The fourth proportional to 5,363,999.70, 8,045,999.55 and 1,320,455.40 is: 1,980,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363,999.70 : 8,045,999.55 = 1,320,455.40 : x
  2. Step 2: Convert to fraction form
    5,363,999.70/8,045,999.55 = 1,320,455.40/x
  3. Step 3: Cross multiply
    5,363,999.70x = 8,045,999.55 × 1,320,455.40
  4. Step 4: Simplify right side
    5,363,999.70x = 10,624,383,554,195.07
  5. Step 5: Solve for x
    x = 10,624,383,554,195.07/5,363,999.70
  6. Step 6: Final answer
    x = 1,980,683.10

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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.