Finding the Fourth Proportional to 5,436,698.13, 7,502,451.39 and 2,989,292.04
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Solution
The fourth proportional to 5,436,698.13, 7,502,451.39 and 2,989,292.04 is: 4,125,117.43
Step by Step Solution
- Step 1: Write the proportion equation
5,436,698.13 : 7,502,451.39 = 2,989,292.04 : x - Step 2: Convert to fraction form
5,436,698.13/7,502,451.39 = 2,989,292.04/x - Step 3: Cross multiply
5,436,698.13x = 7,502,451.39 × 2,989,292.04 - Step 4: Simplify right side
5,436,698.13x = 22,427,018,220,613.93 - Step 5: Solve for x
x = 22,427,018,220,613.93/5,436,698.13 - Step 6: Final answer
x = 4,125,117.43
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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.