Home / 5,638,379.56-7,780,960.68-3,190,946.16

Finding the Fourth Proportional to 5,638,379.56, 7,780,960.68 and 3,190,946.16

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Solution

The fourth proportional to 5,638,379.56, 7,780,960.68 and 3,190,946.16 is: 4,403,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,379.56 : 7,780,960.68 = 3,190,946.16 : x
  2. Step 2: Convert to fraction form
    5,638,379.56/7,780,960.68 = 3,190,946.16/x
  3. Step 3: Cross multiply
    5,638,379.56x = 7,780,960.68 × 3,190,946.16
  4. Step 4: Simplify right side
    5,638,379.56x = 24,828,626,602,956.99
  5. Step 5: Solve for x
    x = 24,828,626,602,956.99/5,638,379.56
  6. Step 6: Final answer
    x = 4,403,503.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.