Finding the Fourth Proportional to 7,006,464.70, 10,508,712.90 and 2,214,638.35
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Solution
The fourth proportional to 7,006,464.70, 10,508,712.90 and 2,214,638.35 is: 3,321,646.45
Step by Step Solution
- Step 1: Write the proportion equation
7,006,464.70 : 10,508,712.90 = 2,214,638.35 : x - Step 2: Convert to fraction form
7,006,464.70/10,508,712.90 = 2,214,638.35/x - Step 3: Cross multiply
7,006,464.70x = 10,508,712.90 × 2,214,638.35 - Step 4: Simplify right side
7,006,464.70x = 23,272,998,597,479.72 - Step 5: Solve for x
x = 23,272,998,597,479.72/7,006,464.70 - Step 6: Final answer
x = 3,321,646.45
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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.