Finding the Fourth Proportional to 1,590,345.30, 2,194,626.51 and 865,174.44
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Solution
The fourth proportional to 1,590,345.30, 2,194,626.51 and 865,174.44 is: 1,193,913.52
Step by Step Solution
- Step 1: Write the proportion equation
1,590,345.30 : 2,194,626.51 = 865,174.44 : x - Step 2: Convert to fraction form
1,590,345.30/2,194,626.51 = 865,174.44/x - Step 3: Cross multiply
1,590,345.30x = 2,194,626.51 × 865,174.44 - Step 4: Simplify right side
1,590,345.30x = 1,898,734,761,798.40 - Step 5: Solve for x
x = 1,898,734,761,798.40/1,590,345.30 - Step 6: Final answer
x = 1,193,913.52
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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.