Finding the Fourth Proportional to 5,925,176.45, 8,176,743.51 and 3,208,922.45
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Solution
The fourth proportional to 5,925,176.45, 8,176,743.51 and 3,208,922.45 is: 4,428,312.99
Step by Step Solution
- Step 1: Write the proportion equation
5,925,176.45 : 8,176,743.51 = 3,208,922.45 : x - Step 2: Convert to fraction form
5,925,176.45/8,176,743.51 = 3,208,922.45/x - Step 3: Cross multiply
5,925,176.45x = 8,176,743.51 × 3,208,922.45 - Step 4: Simplify right side
5,925,176.45x = 26,238,535,817,130.80 - Step 5: Solve for x
x = 26,238,535,817,130.80/5,925,176.45 - Step 6: Final answer
x = 4,428,312.99
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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.