Finding the Fourth Proportional to 1,679,402.40, 2,517,490.80 and 556,893.60
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Solution
The fourth proportional to 1,679,402.40, 2,517,490.80 and 556,893.60 is: 834,805.59
Step by Step Solution
- Step 1: Write the proportion equation
1,679,402.40 : 2,517,490.80 = 556,893.60 : x - Step 2: Convert to fraction form
1,679,402.40/2,517,490.80 = 556,893.60/x - Step 3: Cross multiply
1,679,402.40x = 2,517,490.80 × 556,893.60 - Step 4: Simplify right side
1,679,402.40x = 1,401,974,514,578.88 - Step 5: Solve for x
x = 1,401,974,514,578.88/1,679,402.40 - Step 6: Final answer
x = 834,805.59
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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.