Finding the Fourth Proportional to 3,752,482.74, 5,167,686.13 and 3,518,656.14
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Solution
The fourth proportional to 3,752,482.74, 5,167,686.13 and 3,518,656.14 is: 4,845,674.66
Step by Step Solution
- Step 1: Write the proportion equation
3,752,482.74 : 5,167,686.13 = 3,518,656.14 : x - Step 2: Convert to fraction form
3,752,482.74/5,167,686.13 = 3,518,656.14/x - Step 3: Cross multiply
3,752,482.74x = 5,167,686.13 × 3,518,656.14 - Step 4: Simplify right side
3,752,482.74x = 18,183,310,513,324.06 - Step 5: Solve for x
x = 18,183,310,513,324.06/3,752,482.74 - Step 6: Final answer
x = 4,845,674.66
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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.