Finding the Fourth Proportional to 5,285,653.61, 7,294,402.08 and 2,962,588.68
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Solution
The fourth proportional to 5,285,653.61, 7,294,402.08 and 2,962,588.68 is: 4,088,484.54
Step by Step Solution
- Step 1: Write the proportion equation
5,285,653.61 : 7,294,402.08 = 2,962,588.68 : x - Step 2: Convert to fraction form
5,285,653.61/7,294,402.08 = 2,962,588.68/x - Step 3: Cross multiply
5,285,653.61x = 7,294,402.08 × 2,962,588.68 - Step 4: Simplify right side
5,285,653.61x = 21,610,313,029,576.46 - Step 5: Solve for x
x = 21,610,313,029,576.46/5,285,653.61 - Step 6: Final answer
x = 4,088,484.54
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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.