Finding the Fourth Proportional to 2,356,402.26, 3,251,878.47 and 1,309,921.95
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Solution
The fourth proportional to 2,356,402.26, 3,251,878.47 and 1,309,921.95 is: 1,807,716.39
Step by Step Solution
- Step 1: Write the proportion equation
2,356,402.26 : 3,251,878.47 = 1,309,921.95 : x - Step 2: Convert to fraction form
2,356,402.26/3,251,878.47 = 1,309,921.95/x - Step 3: Cross multiply
2,356,402.26x = 3,251,878.47 × 1,309,921.95 - Step 4: Simplify right side
2,356,402.26x = 4,259,706,986,585.42 - Step 5: Solve for x
x = 4,259,706,986,585.42/2,356,402.26 - Step 6: Final answer
x = 1,807,716.39
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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.