Finding the Fourth Proportional to 2,356,916.16, 3,252,452.56 and 1,440,679.36
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Solution
The fourth proportional to 2,356,916.16, 3,252,452.56 and 1,440,679.36 is: 1,988,081.44
Step by Step Solution
- Step 1: Write the proportion equation
2,356,916.16 : 3,252,452.56 = 1,440,679.36 : x - Step 2: Convert to fraction form
2,356,916.16/3,252,452.56 = 1,440,679.36/x - Step 3: Cross multiply
2,356,916.16x = 3,252,452.56 × 1,440,679.36 - Step 4: Simplify right side
2,356,916.16x = 4,685,741,272,571.16 - Step 5: Solve for x
x = 4,685,741,272,571.16/2,356,916.16 - Step 6: Final answer
x = 1,988,081.44
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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.