Finding the Fourth Proportional to 1,868,619.71, 2,792,689.78 and 1,364,242.84
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Solution
The fourth proportional to 1,868,619.71, 2,792,689.78 and 1,364,242.84 is: 2,038,888.39
Step by Step Solution
- Step 1: Write the proportion equation
1,868,619.71 : 2,792,689.78 = 1,364,242.84 : x - Step 2: Convert to fraction form
1,868,619.71/2,792,689.78 = 1,364,242.84/x - Step 3: Cross multiply
1,868,619.71x = 2,792,689.78 × 1,364,242.84 - Step 4: Simplify right side
1,868,619.71x = 3,809,907,036,706.18 - Step 5: Solve for x
x = 3,809,907,036,706.18/1,868,619.71 - Step 6: Final answer
x = 2,038,888.39
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.