Finding the Fourth Proportional to 5,149,337.40, 7,106,418.44 and 2,857,498.08
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Solution
The fourth proportional to 5,149,337.40, 7,106,418.44 and 2,857,498.08 is: 3,943,532.04
Step by Step Solution
- Step 1: Write the proportion equation
5,149,337.40 : 7,106,418.44 = 2,857,498.08 : x - Step 2: Convert to fraction form
5,149,337.40/7,106,418.44 = 2,857,498.08/x - Step 3: Cross multiply
5,149,337.40x = 7,106,418.44 × 2,857,498.08 - Step 4: Simplify right side
5,149,337.40x = 20,306,577,033,689.11 - Step 5: Solve for x
x = 20,306,577,033,689.11/5,149,337.40 - Step 6: Final answer
x = 3,943,532.04
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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.