Finding the Fourth Proportional to 5,223,343.29, 7,207,862.47 and 2,900,115.74
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Solution
The fourth proportional to 5,223,343.29, 7,207,862.47 and 2,900,115.74 is: 4,001,964.68
Step by Step Solution
- Step 1: Write the proportion equation
5,223,343.29 : 7,207,862.47 = 2,900,115.74 : x - Step 2: Convert to fraction form
5,223,343.29/7,207,862.47 = 2,900,115.74/x - Step 3: Cross multiply
5,223,343.29x = 7,207,862.47 × 2,900,115.74 - Step 4: Simplify right side
5,223,343.29x = 20,903,635,364,962.96 - Step 5: Solve for x
x = 20,903,635,364,962.96/5,223,343.29 - Step 6: Final answer
x = 4,001,964.68
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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.