Finding the Fourth Proportional to 1,788,458.19, 2,688,107.19 and 1,183,310.53
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Solution
The fourth proportional to 1,788,458.19, 2,688,107.19 and 1,183,310.53 is: 1,778,551.81
Step by Step Solution
- Step 1: Write the proportion equation
1,788,458.19 : 2,688,107.19 = 1,183,310.53 : x - Step 2: Convert to fraction form
1,788,458.19/2,688,107.19 = 1,183,310.53/x - Step 3: Cross multiply
1,788,458.19x = 2,688,107.19 × 1,183,310.53 - Step 4: Simplify right side
1,788,458.19x = 3,180,865,543,695.71 - Step 5: Solve for x
x = 3,180,865,543,695.71/1,788,458.19 - Step 6: Final answer
x = 1,778,551.81
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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.