Finding the Fourth Proportional to 2,586,912.30, 3,880,368.45 and 2,562,029.10
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Solution
The fourth proportional to 2,586,912.30, 3,880,368.45 and 2,562,029.10 is: 3,843,043.65
Step by Step Solution
- Step 1: Write the proportion equation
2,586,912.30 : 3,880,368.45 = 2,562,029.10 : x - Step 2: Convert to fraction form
2,586,912.30/3,880,368.45 = 2,562,029.10/x - Step 3: Cross multiply
2,586,912.30x = 3,880,368.45 × 2,562,029.10 - Step 4: Simplify right side
2,586,912.30x = 9,941,616,887,621.90 - Step 5: Solve for x
x = 9,941,616,887,621.90/2,586,912.30 - Step 6: Final answer
x = 3,843,043.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.