Finding the Fourth Proportional to 1,979,322.96, 2,730,653.60 and 1,204,332.48
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Solution
The fourth proportional to 1,979,322.96, 2,730,653.60 and 1,204,332.48 is: 1,661,484.70
Step by Step Solution
- Step 1: Write the proportion equation
1,979,322.96 : 2,730,653.60 = 1,204,332.48 : x - Step 2: Convert to fraction form
1,979,322.96/2,730,653.60 = 1,204,332.48/x - Step 3: Cross multiply
1,979,322.96x = 2,730,653.60 × 1,204,332.48 - Step 4: Simplify right side
1,979,322.96x = 3,288,614,822,108.93 - Step 5: Solve for x
x = 3,288,614,822,108.93/1,979,322.96 - Step 6: Final answer
x = 1,661,484.70
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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.