Finding the Fourth Proportional to 3,657,218.95, 5,486,189.28 and 1,260,748.09
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Solution
The fourth proportional to 3,657,218.95, 5,486,189.28 and 1,260,748.09 is: 1,891,246.53
Step by Step Solution
- Step 1: Write the proportion equation
3,657,218.95 : 5,486,189.28 = 1,260,748.09 : x - Step 2: Convert to fraction form
3,657,218.95/5,486,189.28 = 1,260,748.09/x - Step 3: Cross multiply
3,657,218.95x = 5,486,189.28 × 1,260,748.09 - Step 4: Simplify right side
3,657,218.95x = 6,916,702,665,360.12 - Step 5: Solve for x
x = 6,916,702,665,360.12/3,657,218.95 - Step 6: Final answer
x = 1,891,246.53
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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.