Finding the Fourth Proportional to 3,384,009.84, 4,669,908.12 and 1,856,106.12
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Solution
The fourth proportional to 3,384,009.84, 4,669,908.12 and 1,856,106.12 is: 2,561,412.48
Step by Step Solution
- Step 1: Write the proportion equation
3,384,009.84 : 4,669,908.12 = 1,856,106.12 : x - Step 2: Convert to fraction form
3,384,009.84/4,669,908.12 = 1,856,106.12/x - Step 3: Cross multiply
3,384,009.84x = 4,669,908.12 × 1,856,106.12 - Step 4: Simplify right side
3,384,009.84x = 8,667,845,041,369.70 - Step 5: Solve for x
x = 8,667,845,041,369.70/3,384,009.84 - Step 6: Final answer
x = 2,561,412.48
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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.