Finding the Fourth Proportional to 3,055,813.09, 4,216,814.84 and 1,679,252.41
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Solution
The fourth proportional to 3,055,813.09, 4,216,814.84 and 1,679,252.41 is: 2,317,254.46
Step by Step Solution
- Step 1: Write the proportion equation
3,055,813.09 : 4,216,814.84 = 1,679,252.41 : x - Step 2: Convert to fraction form
3,055,813.09/4,216,814.84 = 1,679,252.41/x - Step 3: Cross multiply
3,055,813.09x = 4,216,814.84 × 1,679,252.41 - Step 4: Simplify right side
3,055,813.09x = 7,081,096,492,062.91 - Step 5: Solve for x
x = 7,081,096,492,062.91/3,055,813.09 - Step 6: Final answer
x = 2,317,254.46
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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.