Finding the Fourth Proportional to 2,569,241.71, 3,545,295.20 and 1,423,107.91
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Solution
The fourth proportional to 2,569,241.71, 3,545,295.20 and 1,423,107.91 is: 1,963,745.81
Step by Step Solution
- Step 1: Write the proportion equation
2,569,241.71 : 3,545,295.20 = 1,423,107.91 : x - Step 2: Convert to fraction form
2,569,241.71/3,545,295.20 = 1,423,107.91/x - Step 3: Cross multiply
2,569,241.71x = 3,545,295.20 × 1,423,107.91 - Step 4: Simplify right side
2,569,241.71x = 5,045,337,626,426.25 - Step 5: Solve for x
x = 5,045,337,626,426.25/2,569,241.71 - Step 6: Final answer
x = 1,963,745.81
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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.