Finding the Fourth Proportional to 5,395,446.93, 7,445,495.19 and 2,948,141.98
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Solution
The fourth proportional to 5,395,446.93, 7,445,495.19 and 2,948,141.98 is: 4,068,314.86
Step by Step Solution
- Step 1: Write the proportion equation
5,395,446.93 : 7,445,495.19 = 2,948,141.98 : x - Step 2: Convert to fraction form
5,395,446.93/7,445,495.19 = 2,948,141.98/x - Step 3: Cross multiply
5,395,446.93x = 7,445,495.19 × 2,948,141.98 - Step 4: Simplify right side
5,395,446.93x = 21,950,376,931,527.08 - Step 5: Solve for x
x = 21,950,376,931,527.08/5,395,446.93 - Step 6: Final answer
x = 4,068,314.86
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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.