Finding the Fourth Proportional to 5,911,876.68, 8,158,386.14 and 3,195,622.68
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Solution
The fourth proportional to 5,911,876.68, 8,158,386.14 and 3,195,622.68 is: 4,409,957.31
Step by Step Solution
- Step 1: Write the proportion equation
5,911,876.68 : 8,158,386.14 = 3,195,622.68 : x - Step 2: Convert to fraction form
5,911,876.68/8,158,386.14 = 3,195,622.68/x - Step 3: Cross multiply
5,911,876.68x = 8,158,386.14 × 3,195,622.68 - Step 4: Simplify right side
5,911,876.68x = 26,071,123,781,181.66 - Step 5: Solve for x
x = 26,071,123,781,181.66/5,911,876.68 - Step 6: Final answer
x = 4,409,957.31
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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.