Finding the Fourth Proportional to 4,965,212.88, 6,851,569.68 and 2,789,585.28
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Solution
The fourth proportional to 4,965,212.88, 6,851,569.68 and 2,789,585.28 is: 3,849,389.42
Step by Step Solution
- Step 1: Write the proportion equation
4,965,212.88 : 6,851,569.68 = 2,789,585.28 : x - Step 2: Convert to fraction form
4,965,212.88/6,851,569.68 = 2,789,585.28/x - Step 3: Cross multiply
4,965,212.88x = 6,851,569.68 × 2,789,585.28 - Step 4: Simplify right side
4,965,212.88x = 19,113,037,924,222.31 - Step 5: Solve for x
x = 19,113,037,924,222.31/4,965,212.88 - Step 6: Final answer
x = 3,849,389.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.