Finding the Fourth Proportional to 6,102,089.69, 8,420,327.24 and 3,620,882.84
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Solution
The fourth proportional to 6,102,089.69, 8,420,327.24 and 3,620,882.84 is: 4,996,488.08
Step by Step Solution
- Step 1: Write the proportion equation
6,102,089.69 : 8,420,327.24 = 3,620,882.84 : x - Step 2: Convert to fraction form
6,102,089.69/8,420,327.24 = 3,620,882.84/x - Step 3: Cross multiply
6,102,089.69x = 8,420,327.24 × 3,620,882.84 - Step 4: Simplify right side
6,102,089.69x = 30,489,018,413,446.96 - Step 5: Solve for x
x = 30,489,018,413,446.96/6,102,089.69 - Step 6: Final answer
x = 4,996,488.08
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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.