Finding the Fourth Proportional to 4,905,655.48, 6,769,804.65 and 2,730,712.42
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Solution
The fourth proportional to 4,905,655.48, 6,769,804.65 and 2,730,712.42 is: 3,768,383.18
Step by Step Solution
- Step 1: Write the proportion equation
4,905,655.48 : 6,769,804.65 = 2,730,712.42 : x - Step 2: Convert to fraction form
4,905,655.48/6,769,804.65 = 2,730,712.42/x - Step 3: Cross multiply
4,905,655.48x = 6,769,804.65 × 2,730,712.42 - Step 4: Simplify right side
4,905,655.48x = 18,486,389,614,231.49 - Step 5: Solve for x
x = 18,486,389,614,231.49/4,905,655.48 - Step 6: Final answer
x = 3,768,383.18
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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.