Finding the Fourth Proportional to 6,448,156.88, 8,898,456.84 and 3,547,485.68
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Solution
The fourth proportional to 6,448,156.88, 8,898,456.84 and 3,547,485.68 is: 4,895,530.43
Step by Step Solution
- Step 1: Write the proportion equation
6,448,156.88 : 8,898,456.84 = 3,547,485.68 : x - Step 2: Convert to fraction form
6,448,156.88/8,898,456.84 = 3,547,485.68/x - Step 3: Cross multiply
6,448,156.88x = 8,898,456.84 × 3,547,485.68 - Step 4: Simplify right side
6,448,156.88x = 31,567,148,213,998.05 - Step 5: Solve for x
x = 31,567,148,213,998.05/6,448,156.88 - Step 6: Final answer
x = 4,895,530.43
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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.