Finding the Fourth Proportional to 1,519,479.62, 2,279,339.20 and 508,605.17
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Solution
The fourth proportional to 1,519,479.62, 2,279,339.20 and 508,605.17 is: 762,947.84
Step by Step Solution
- Step 1: Write the proportion equation
1,519,479.62 : 2,279,339.20 = 508,605.17 : x - Step 2: Convert to fraction form
1,519,479.62/2,279,339.20 = 508,605.17/x - Step 3: Cross multiply
1,519,479.62x = 2,279,339.20 × 508,605.17 - Step 4: Simplify right side
1,519,479.62x = 1,159,283,690,542.72 - Step 5: Solve for x
x = 1,159,283,690,542.72/1,519,479.62 - Step 6: Final answer
x = 762,947.84
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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.