Finding the Fourth Proportional to 3,925,159.48, 5,415,926.25 and 2,293,251.67
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Solution
The fourth proportional to 3,925,159.48, 5,415,926.25 and 2,293,251.67 is: 3,164,223.51
Step by Step Solution
- Step 1: Write the proportion equation
3,925,159.48 : 5,415,926.25 = 2,293,251.67 : x - Step 2: Convert to fraction form
3,925,159.48/5,415,926.25 = 2,293,251.67/x - Step 3: Cross multiply
3,925,159.48x = 5,415,926.25 × 2,293,251.67 - Step 4: Simplify right side
3,925,159.48x = 12,420,081,917,409.34 - Step 5: Solve for x
x = 12,420,081,917,409.34/3,925,159.48 - Step 6: Final answer
x = 3,164,223.51
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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.