Finding the Fourth Proportional to 1,557,446.40, 2,149,735.68 and 913,006.08
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Solution
The fourth proportional to 1,557,446.40, 2,149,735.68 and 913,006.08 is: 1,260,217.85
Step by Step Solution
- Step 1: Write the proportion equation
1,557,446.40 : 2,149,735.68 = 913,006.08 : x - Step 2: Convert to fraction form
1,557,446.40/2,149,735.68 = 913,006.08/x - Step 3: Cross multiply
1,557,446.40x = 2,149,735.68 × 913,006.08 - Step 4: Simplify right side
1,557,446.40x = 1,962,721,746,232.93 - Step 5: Solve for x
x = 1,962,721,746,232.93/1,557,446.40 - Step 6: Final answer
x = 1,260,217.85
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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.