Finding the Fourth Proportional to 1,822,403.12, 2,514,904.35 and 1,006,659.41
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Solution
The fourth proportional to 1,822,403.12, 2,514,904.35 and 1,006,659.41 is: 1,389,183.38
Step by Step Solution
- Step 1: Write the proportion equation
1,822,403.12 : 2,514,904.35 = 1,006,659.41 : x - Step 2: Convert to fraction form
1,822,403.12/2,514,904.35 = 1,006,659.41/x - Step 3: Cross multiply
1,822,403.12x = 2,514,904.35 × 1,006,659.41 - Step 4: Simplify right side
1,822,403.12x = 2,531,652,129,177.43 - Step 5: Solve for x
x = 2,531,652,129,177.43/1,822,403.12 - Step 6: Final answer
x = 1,389,183.38
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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.