Finding the Fourth Proportional to 1,215,582.44, 1,677,499.62 and 671,703.08
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Solution
The fourth proportional to 1,215,582.44, 1,677,499.62 and 671,703.08 is: 926,947.96
Step by Step Solution
- Step 1: Write the proportion equation
1,215,582.44 : 1,677,499.62 = 671,703.08 : x - Step 2: Convert to fraction form
1,215,582.44/1,677,499.62 = 671,703.08/x - Step 3: Cross multiply
1,215,582.44x = 1,677,499.62 × 671,703.08 - Step 4: Simplify right side
1,215,582.44x = 1,126,781,661,452.83 - Step 5: Solve for x
x = 1,126,781,661,452.83/1,215,582.44 - Step 6: Final answer
x = 926,947.96
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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.