Finding the Fourth Proportional to 1,539,414.70, 2,124,729.49 and 895,206.51
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Solution
The fourth proportional to 1,539,414.70, 2,124,729.49 and 895,206.51 is: 1,235,581.08
Step by Step Solution
- Step 1: Write the proportion equation
1,539,414.70 : 2,124,729.49 = 895,206.51 : x - Step 2: Convert to fraction form
1,539,414.70/2,124,729.49 = 895,206.51/x - Step 3: Cross multiply
1,539,414.70x = 2,124,729.49 × 895,206.51 - Step 4: Simplify right side
1,539,414.70x = 1,902,071,671,436.98 - Step 5: Solve for x
x = 1,902,071,671,436.98/1,539,414.70 - Step 6: Final answer
x = 1,235,581.08
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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.