Finding the Fourth Proportional to 5,191,030.29, 7,163,405.00 and 2,985,725.44
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Solution
The fourth proportional to 5,191,030.29, 7,163,405.00 and 2,985,725.44 is: 4,120,176.41
Step by Step Solution
- Step 1: Write the proportion equation
5,191,030.29 : 7,163,405.00 = 2,985,725.44 : x - Step 2: Convert to fraction form
5,191,030.29/7,163,405.00 = 2,985,725.44/x - Step 3: Cross multiply
5,191,030.29x = 7,163,405.00 × 2,985,725.44 - Step 4: Simplify right side
5,191,030.29x = 21,387,960,550,745.30 - Step 5: Solve for x
x = 21,387,960,550,745.30/5,191,030.29 - Step 6: Final answer
x = 4,120,176.41
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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.