Finding the Fourth Proportional to 2,853,514.40, 3,937,805.16 and 1,564,365.38
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Solution
The fourth proportional to 2,853,514.40, 3,937,805.16 and 1,564,365.38 is: 2,158,799.71
Step by Step Solution
- Step 1: Write the proportion equation
2,853,514.40 : 3,937,805.16 = 1,564,365.38 : x - Step 2: Convert to fraction form
2,853,514.40/3,937,805.16 = 1,564,365.38/x - Step 3: Cross multiply
2,853,514.40x = 3,937,805.16 × 1,564,365.38 - Step 4: Simplify right side
2,853,514.40x = 6,160,166,065,489.36 - Step 5: Solve for x
x = 6,160,166,065,489.36/2,853,514.40 - Step 6: Final answer
x = 2,158,799.71
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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.