Finding the Fourth Proportional to 1,537,639.20, 2,306,453.36 and 415,708
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Solution
The fourth proportional to 1,537,639.20, 2,306,453.36 and 415,708 is: 623,560.53
Step by Step Solution
- Step 1: Write the proportion equation
1,537,639.20 : 2,306,453.36 = 415,708 : x - Step 2: Convert to fraction form
1,537,639.20/2,306,453.36 = 415,708/x - Step 3: Cross multiply
1,537,639.20x = 2,306,453.36 × 415,708 - Step 4: Simplify right side
1,537,639.20x = 958,811,113,378.88 - Step 5: Solve for x
x = 958,811,113,378.88/1,537,639.20 - Step 6: Final answer
x = 623,560.53
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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.