Finding the Fourth Proportional to 4,886,468.15, 6,743,644.88 and 2,821,570.79
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Solution
The fourth proportional to 4,886,468.15, 6,743,644.88 and 2,821,570.79 is: 3,893,951.79
Step by Step Solution
- Step 1: Write the proportion equation
4,886,468.15 : 6,743,644.88 = 2,821,570.79 : x - Step 2: Convert to fraction form
4,886,468.15/6,743,644.88 = 2,821,570.79/x - Step 3: Cross multiply
4,886,468.15x = 6,743,644.88 × 2,821,570.79 - Step 4: Simplify right side
4,886,468.15x = 19,027,671,363,714.98 - Step 5: Solve for x
x = 19,027,671,363,714.98/4,886,468.15 - Step 6: Final answer
x = 3,893,951.79
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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.