Finding the Fourth Proportional to 4,855,677.37, 6,700,835.14 and 2,680,221.08
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Solution
The fourth proportional to 4,855,677.37, 6,700,835.14 and 2,680,221.08 is: 3,698,705.29
Step by Step Solution
- Step 1: Write the proportion equation
4,855,677.37 : 6,700,835.14 = 2,680,221.08 : x - Step 2: Convert to fraction form
4,855,677.37/6,700,835.14 = 2,680,221.08/x - Step 3: Cross multiply
4,855,677.37x = 6,700,835.14 × 2,680,221.08 - Step 4: Simplify right side
4,855,677.37x = 17,959,719,582,431.64 - Step 5: Solve for x
x = 17,959,719,582,431.64/4,855,677.37 - Step 6: Final answer
x = 3,698,705.29
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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.