Finding the Fourth Proportional to 5,284,756.48, 7,292,518.68 and 2,930,017.18
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Solution
The fourth proportional to 5,284,756.48, 7,292,518.68 and 2,930,017.18 is: 4,043,176.84
Step by Step Solution
- Step 1: Write the proportion equation
5,284,756.48 : 7,292,518.68 = 2,930,017.18 : x - Step 2: Convert to fraction form
5,284,756.48/7,292,518.68 = 2,930,017.18/x - Step 3: Cross multiply
5,284,756.48x = 7,292,518.68 × 2,930,017.18 - Step 4: Simplify right side
5,284,756.48x = 21,367,205,017,870.92 - Step 5: Solve for x
x = 21,367,205,017,870.92/5,284,756.48 - Step 6: Final answer
x = 4,043,176.84
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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.