Finding the Fourth Proportional to 7,261,434.20, 10,868,531.70 and 5,655,301.40
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Solution
The fourth proportional to 7,261,434.20, 10,868,531.70 and 5,655,301.40 is: 8,464,556.84
Step by Step Solution
- Step 1: Write the proportion equation
7,261,434.20 : 10,868,531.70 = 5,655,301.40 : x - Step 2: Convert to fraction form
7,261,434.20/10,868,531.70 = 5,655,301.40/x - Step 3: Cross multiply
7,261,434.20x = 10,868,531.70 × 5,655,301.40 - Step 4: Simplify right side
7,261,434.20x = 61,464,822,538,954.38 - Step 5: Solve for x
x = 61,464,822,538,954.38/7,261,434.20 - Step 6: Final answer
x = 8,464,556.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.