Finding the Fourth Proportional to 5,374,258.12, 7,416,686.10 and 3,051,366.74
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Solution
The fourth proportional to 5,374,258.12, 7,416,686.10 and 3,051,366.74 is: 4,211,005.27
Step by Step Solution
- Step 1: Write the proportion equation
5,374,258.12 : 7,416,686.10 = 3,051,366.74 : x - Step 2: Convert to fraction form
5,374,258.12/7,416,686.10 = 3,051,366.74/x - Step 3: Cross multiply
5,374,258.12x = 7,416,686.10 × 3,051,366.74 - Step 4: Simplify right side
5,374,258.12x = 22,631,029,286,560.32 - Step 5: Solve for x
x = 22,631,029,286,560.32/5,374,258.12 - Step 6: Final answer
x = 4,211,005.27
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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.