Finding the Fourth Proportional to 1,691,585.40, 2,536,787.44 and 680,445.09
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Solution
The fourth proportional to 1,691,585.40, 2,536,787.44 and 680,445.09 is: 1,020,430.04
Step by Step Solution
- Step 1: Write the proportion equation
1,691,585.40 : 2,536,787.44 = 680,445.09 : x - Step 2: Convert to fraction form
1,691,585.40/2,536,787.44 = 680,445.09/x - Step 3: Cross multiply
1,691,585.40x = 2,536,787.44 × 680,445.09 - Step 4: Simplify right side
1,691,585.40x = 1,726,144,557,921.67 - Step 5: Solve for x
x = 1,726,144,557,921.67/1,691,585.40 - Step 6: Final answer
x = 1,020,430.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.