Finding the Fourth Proportional to 1,664,916.42, 2,297,584.62 and 900,969.99
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Solution
The fourth proportional to 1,664,916.42, 2,297,584.62 and 900,969.99 is: 1,243,338.56
Step by Step Solution
- Step 1: Write the proportion equation
1,664,916.42 : 2,297,584.62 = 900,969.99 : x - Step 2: Convert to fraction form
1,664,916.42/2,297,584.62 = 900,969.99/x - Step 3: Cross multiply
1,664,916.42x = 2,297,584.62 × 900,969.99 - Step 4: Simplify right side
1,664,916.42x = 2,070,054,780,955.72 - Step 5: Solve for x
x = 2,070,054,780,955.72/1,664,916.42 - Step 6: Final answer
x = 1,243,338.56
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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.