Finding the Fourth Proportional to 4,836,149.64, 6,673,886.21 and 2,660,646.08
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Solution
The fourth proportional to 4,836,149.64, 6,673,886.21 and 2,660,646.08 is: 3,671,691.42
Step by Step Solution
- Step 1: Write the proportion equation
4,836,149.64 : 6,673,886.21 = 2,660,646.08 : x - Step 2: Convert to fraction form
4,836,149.64/6,673,886.21 = 2,660,646.08/x - Step 3: Cross multiply
4,836,149.64x = 6,673,886.21 × 2,660,646.08 - Step 4: Simplify right side
4,836,149.64x = 17,756,849,136,329.90 - Step 5: Solve for x
x = 17,756,849,136,329.90/4,836,149.64 - Step 6: Final answer
x = 3,671,691.42
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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.