Finding the Fourth Proportional to 1,919,166.90, 2,877,438.15 and 908,772.90
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Solution
The fourth proportional to 1,919,166.90, 2,877,438.15 and 908,772.90 is: 1,362,537.99
Step by Step Solution
- Step 1: Write the proportion equation
1,919,166.90 : 2,877,438.15 = 908,772.90 : x - Step 2: Convert to fraction form
1,919,166.90/2,877,438.15 = 908,772.90/x - Step 3: Cross multiply
1,919,166.90x = 2,877,438.15 × 908,772.90 - Step 4: Simplify right side
1,919,166.90x = 2,614,937,812,146.13 - Step 5: Solve for x
x = 2,614,937,812,146.13/1,919,166.90 - Step 6: Final answer
x = 1,362,537.99
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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.