Finding the Fourth Proportional to 1,750,371.80, 2,625,557.70 and 420,675.80
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Solution
The fourth proportional to 1,750,371.80, 2,625,557.70 and 420,675.80 is: 631,013.70
Step by Step Solution
- Step 1: Write the proportion equation
1,750,371.80 : 2,625,557.70 = 420,675.80 : x - Step 2: Convert to fraction form
1,750,371.80/2,625,557.70 = 420,675.80/x - Step 3: Cross multiply
1,750,371.80x = 2,625,557.70 × 420,675.80 - Step 4: Simplify right side
1,750,371.80x = 1,104,508,585,893.66 - Step 5: Solve for x
x = 1,104,508,585,893.66/1,750,371.80 - Step 6: Final answer
x = 631,013.70
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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.