Finding the Fourth Proportional to 1,471,881.95, 2,208,679.50 and 618,891.81
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Solution
The fourth proportional to 1,471,881.95, 2,208,679.50 and 618,891.81 is: 928,697.89
Step by Step Solution
- Step 1: Write the proportion equation
1,471,881.95 : 2,208,679.50 = 618,891.81 : x - Step 2: Convert to fraction form
1,471,881.95/2,208,679.50 = 618,891.81/x - Step 3: Cross multiply
1,471,881.95x = 2,208,679.50 × 618,891.81 - Step 4: Simplify right side
1,471,881.95x = 1,366,933,653,464.90 - Step 5: Solve for x
x = 1,366,933,653,464.90/1,471,881.95 - Step 6: Final answer
x = 928,697.89
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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.