Home / 5,323,211.10-7,985,983.05-1,728,366.30

Finding the Fourth Proportional to 5,323,211.10, 7,985,983.05 and 1,728,366.30

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Solution

The fourth proportional to 5,323,211.10, 7,985,983.05 and 1,728,366.30 is: 2,592,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,211.10 : 7,985,983.05 = 1,728,366.30 : x
  2. Step 2: Convert to fraction form
    5,323,211.10/7,985,983.05 = 1,728,366.30/x
  3. Step 3: Cross multiply
    5,323,211.10x = 7,985,983.05 × 1,728,366.30
  4. Step 4: Simplify right side
    5,323,211.10x = 13,802,703,975,991.21
  5. Step 5: Solve for x
    x = 13,802,703,975,991.21/5,323,211.10
  6. Step 6: Final answer
    x = 2,592,928.16

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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.