Finding the Fourth Proportional to 5,217,479.10, 7,822,551.66 and 2,298,186.75
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Solution
The fourth proportional to 5,217,479.10, 7,822,551.66 and 2,298,186.75 is: 3,445,664.90
Step by Step Solution
- Step 1: Write the proportion equation
5,217,479.10 : 7,822,551.66 = 2,298,186.75 : x - Step 2: Convert to fraction form
5,217,479.10/7,822,551.66 = 2,298,186.75/x - Step 3: Cross multiply
5,217,479.10x = 7,822,551.66 × 2,298,186.75 - Step 4: Simplify right side
5,217,479.10x = 17,977,684,616,309.82 - Step 5: Solve for x
x = 17,977,684,616,309.82/5,217,479.10 - Step 6: Final answer
x = 3,445,664.90
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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.