Finding the Fourth Proportional to 5,638,415.62, 7,781,018.91 and 3,060,097.23
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Solution
The fourth proportional to 5,638,415.62, 7,781,018.91 and 3,060,097.23 is: 4,222,937.08
Step by Step Solution
- Step 1: Write the proportion equation
5,638,415.62 : 7,781,018.91 = 3,060,097.23 : x - Step 2: Convert to fraction form
5,638,415.62/7,781,018.91 = 3,060,097.23/x - Step 3: Cross multiply
5,638,415.62x = 7,781,018.91 × 3,060,097.23 - Step 4: Simplify right side
5,638,415.62x = 23,810,674,413,068.62 - Step 5: Solve for x
x = 23,810,674,413,068.62/5,638,415.62 - Step 6: Final answer
x = 4,222,937.08
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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.