Finding the Fourth Proportional to 4,638,566.73, 6,920,186.48 and 4,387,460.84
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Solution
The fourth proportional to 4,638,566.73, 6,920,186.48 and 4,387,460.84 is: 6,545,566.54
Step by Step Solution
- Step 1: Write the proportion equation
4,638,566.73 : 6,920,186.48 = 4,387,460.84 : x - Step 2: Convert to fraction form
4,638,566.73/6,920,186.48 = 4,387,460.84/x - Step 3: Cross multiply
4,638,566.73x = 6,920,186.48 × 4,387,460.84 - Step 4: Simplify right side
4,638,566.73x = 30,362,047,162,865.16 - Step 5: Solve for x
x = 30,362,047,162,865.16/4,638,566.73 - Step 6: Final answer
x = 6,545,566.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.