Finding the Fourth Proportional to 1,537,619.80, 2,306,429.70 and 738,708.70
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Solution
The fourth proportional to 1,537,619.80, 2,306,429.70 and 738,708.70 is: 1,108,063.05
Step by Step Solution
- Step 1: Write the proportion equation
1,537,619.80 : 2,306,429.70 = 738,708.70 : x - Step 2: Convert to fraction form
1,537,619.80/2,306,429.70 = 738,708.70/x - Step 3: Cross multiply
1,537,619.80x = 2,306,429.70 × 738,708.70 - Step 4: Simplify right side
1,537,619.80x = 1,703,779,685,328.39 - Step 5: Solve for x
x = 1,703,779,685,328.39/1,537,619.80 - Step 6: Final answer
x = 1,108,063.05
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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.