Finding the Fourth Proportional to 4,104,129.12, 5,663,686.32 and 2,293,294.56
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Solution
The fourth proportional to 4,104,129.12, 5,663,686.32 and 2,293,294.56 is: 3,164,739.86
Step by Step Solution
- Step 1: Write the proportion equation
4,104,129.12 : 5,663,686.32 = 2,293,294.56 : x - Step 2: Convert to fraction form
4,104,129.12/5,663,686.32 = 2,293,294.56/x - Step 3: Cross multiply
4,104,129.12x = 5,663,686.32 × 2,293,294.56 - Step 4: Simplify right side
4,104,129.12x = 12,988,501,027,202.42 - Step 5: Solve for x
x = 12,988,501,027,202.42/4,104,129.12 - Step 6: Final answer
x = 3,164,739.86
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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.