Finding the Fourth Proportional to 1,537,113.40, 2,305,754.19 and 638,645.98
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Solution
The fourth proportional to 1,537,113.40, 2,305,754.19 and 638,645.98 is: 958,003.91
Step by Step Solution
- Step 1: Write the proportion equation
1,537,113.40 : 2,305,754.19 = 638,645.98 : x - Step 2: Convert to fraction form
1,537,113.40/2,305,754.19 = 638,645.98/x - Step 3: Cross multiply
1,537,113.40x = 2,305,754.19 × 638,645.98 - Step 4: Simplify right side
1,537,113.40x = 1,472,560,644,311.66 - Step 5: Solve for x
x = 1,472,560,644,311.66/1,537,113.40 - Step 6: Final answer
x = 958,003.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.