Finding the Fourth Proportional to 5,064,352.35, 6,987,689.01 and 2,998,342.05
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Solution
The fourth proportional to 5,064,352.35, 6,987,689.01 and 2,998,342.05 is: 4,137,050.57
Step by Step Solution
- Step 1: Write the proportion equation
5,064,352.35 : 6,987,689.01 = 2,998,342.05 : x - Step 2: Convert to fraction form
5,064,352.35/6,987,689.01 = 2,998,342.05/x - Step 3: Cross multiply
5,064,352.35x = 6,987,689.01 × 2,998,342.05 - Step 4: Simplify right side
5,064,352.35x = 20,951,481,791,005.87 - Step 5: Solve for x
x = 20,951,481,791,005.87/5,064,352.35 - Step 6: Final answer
x = 4,137,050.57
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1.5x scale
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.