Finding the Fourth Proportional to 1,557,446.99, 2,149,276.93 and 859,727.99
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Solution
The fourth proportional to 1,557,446.99, 2,149,276.93 and 859,727.99 is: 1,186,424.68
Step by Step Solution
- Step 1: Write the proportion equation
1,557,446.99 : 2,149,276.93 = 859,727.99 : x - Step 2: Convert to fraction form
1,557,446.99/2,149,276.93 = 859,727.99/x - Step 3: Cross multiply
1,557,446.99x = 2,149,276.93 × 859,727.99 - Step 4: Simplify right side
1,557,446.99x = 1,847,793,543,042.11 - Step 5: Solve for x
x = 1,847,793,543,042.11/1,557,446.99 - Step 6: Final answer
x = 1,186,424.68
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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.