Finding the Fourth Proportional to 2,692,799.76, 3,716,045.96 and 1,531,246.12
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Solution
The fourth proportional to 2,692,799.76, 3,716,045.96 and 1,531,246.12 is: 2,113,109.58
Step by Step Solution
- Step 1: Write the proportion equation
2,692,799.76 : 3,716,045.96 = 1,531,246.12 : x - Step 2: Convert to fraction form
2,692,799.76/3,716,045.96 = 1,531,246.12/x - Step 3: Cross multiply
2,692,799.76x = 3,716,045.96 × 1,531,246.12 - Step 4: Simplify right side
2,692,799.76x = 5,690,180,957,991.68 - Step 5: Solve for x
x = 5,690,180,957,991.68/2,692,799.76 - Step 6: Final answer
x = 2,113,109.58
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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.