Finding the Fourth Proportional to 2,138,594.24, 3,208,048.80 and 718,640
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Solution
The fourth proportional to 2,138,594.24, 3,208,048.80 and 718,640 is: 1,078,012.91
Step by Step Solution
- Step 1: Write the proportion equation
2,138,594.24 : 3,208,048.80 = 718,640 : x - Step 2: Convert to fraction form
2,138,594.24/3,208,048.80 = 718,640/x - Step 3: Cross multiply
2,138,594.24x = 3,208,048.80 × 718,640 - Step 4: Simplify right side
2,138,594.24x = 2,305,432,189,632 - Step 5: Solve for x
x = 2,305,432,189,632/2,138,594.24 - Step 6: Final answer
x = 1,078,012.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.