Finding the Fourth Proportional to 3,160,938.35, 4,362,108.83 and 1,710,633.99
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Solution
The fourth proportional to 3,160,938.35, 4,362,108.83 and 1,710,633.99 is: 2,360,682.43
Step by Step Solution
- Step 1: Write the proportion equation
3,160,938.35 : 4,362,108.83 = 1,710,633.99 : x - Step 2: Convert to fraction form
3,160,938.35/4,362,108.83 = 1,710,633.99/x - Step 3: Cross multiply
3,160,938.35x = 4,362,108.83 × 1,710,633.99 - Step 4: Simplify right side
3,160,938.35x = 7,461,971,624,123.96 - Step 5: Solve for x
x = 7,461,971,624,123.96/3,160,938.35 - Step 6: Final answer
x = 2,360,682.43
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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.