Finding the Fourth Proportional to 1,874,575.54, 2,586,916.74 and 1,015,137.28
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Solution
The fourth proportional to 1,874,575.54, 2,586,916.74 and 1,015,137.28 is: 1,400,890.80
Step by Step Solution
- Step 1: Write the proportion equation
1,874,575.54 : 2,586,916.74 = 1,015,137.28 : x - Step 2: Convert to fraction form
1,874,575.54/2,586,916.74 = 1,015,137.28/x - Step 3: Cross multiply
1,874,575.54x = 2,586,916.74 × 1,015,137.28 - Step 4: Simplify right side
1,874,575.54x = 2,626,075,623,030.07 - Step 5: Solve for x
x = 2,626,075,623,030.07/1,874,575.54 - Step 6: Final answer
x = 1,400,890.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.