Finding the Fourth Proportional to 4,650,493.52, 6,417,683.72 and 2,690,646.68
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Solution
The fourth proportional to 4,650,493.52, 6,417,683.72 and 2,690,646.68 is: 3,713,093.95
Step by Step Solution
- Step 1: Write the proportion equation
4,650,493.52 : 6,417,683.72 = 2,690,646.68 : x - Step 2: Convert to fraction form
4,650,493.52/6,417,683.72 = 2,690,646.68/x - Step 3: Cross multiply
4,650,493.52x = 6,417,683.72 × 2,690,646.68 - Step 4: Simplify right side
4,650,493.52x = 17,267,719,348,966.40 - Step 5: Solve for x
x = 17,267,719,348,966.40/4,650,493.52 - Step 6: Final answer
x = 3,713,093.95
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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.