Finding the Fourth Proportional to 2,073,274.68, 2,860,140.80 and 1,213,302.52
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Solution
The fourth proportional to 2,073,274.68, 2,860,140.80 and 1,213,302.52 is: 1,673,784.99
Step by Step Solution
- Step 1: Write the proportion equation
2,073,274.68 : 2,860,140.80 = 1,213,302.52 : x - Step 2: Convert to fraction form
2,073,274.68/2,860,140.80 = 1,213,302.52/x - Step 3: Cross multiply
2,073,274.68x = 2,860,140.80 × 1,213,302.52 - Step 4: Simplify right side
2,073,274.68x = 3,470,216,040,194.82 - Step 5: Solve for x
x = 3,470,216,040,194.82/2,073,274.68 - Step 6: Final answer
x = 1,673,784.99
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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.