Finding the Fourth Proportional to 2,346,389.23, 3,236,344.41 and 2,153,418.94
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Solution
The fourth proportional to 2,346,389.23, 3,236,344.41 and 2,153,418.94 is: 2,970,182.98
Step by Step Solution
- Step 1: Write the proportion equation
2,346,389.23 : 3,236,344.41 = 2,153,418.94 : x - Step 2: Convert to fraction form
2,346,389.23/3,236,344.41 = 2,153,418.94/x - Step 3: Cross multiply
2,346,389.23x = 3,236,344.41 × 2,153,418.94 - Step 4: Simplify right side
2,346,389.23x = 6,969,205,348,857.13 - Step 5: Solve for x
x = 6,969,205,348,857.13/2,346,389.23 - Step 6: Final answer
x = 2,970,182.98
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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.