Finding the Fourth Proportional to 4,788,432.78, 6,608,010.63 and 2,612,969.34
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Solution
The fourth proportional to 4,788,432.78, 6,608,010.63 and 2,612,969.34 is: 3,605,883.17
Step by Step Solution
- Step 1: Write the proportion equation
4,788,432.78 : 6,608,010.63 = 2,612,969.34 : x - Step 2: Convert to fraction form
4,788,432.78/6,608,010.63 = 2,612,969.34/x - Step 3: Cross multiply
4,788,432.78x = 6,608,010.63 × 2,612,969.34 - Step 4: Simplify right side
4,788,432.78x = 17,266,529,174,584.08 - Step 5: Solve for x
x = 17,266,529,174,584.08/4,788,432.78 - Step 6: Final answer
x = 3,605,883.17
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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.