Finding the Fourth Proportional to 4,810,564.50, 6,638,686.26 and 2,745,538.62
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Solution
The fourth proportional to 4,810,564.50, 6,638,686.26 and 2,745,538.62 is: 3,788,904.51
Step by Step Solution
- Step 1: Write the proportion equation
4,810,564.50 : 6,638,686.26 = 2,745,538.62 : x - Step 2: Convert to fraction form
4,810,564.50/6,638,686.26 = 2,745,538.62/x - Step 3: Cross multiply
4,810,564.50x = 6,638,686.26 × 2,745,538.62 - Step 4: Simplify right side
4,810,564.50x = 18,226,769,512,893.36 - Step 5: Solve for x
x = 18,226,769,512,893.36/4,810,564.50 - Step 6: Final answer
x = 3,788,904.51
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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.