Finding the Fourth Proportional to 1,615,742.68, 2,229,623.42 and 890,550.52
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Solution
The fourth proportional to 1,615,742.68, 2,229,623.42 and 890,550.52 is: 1,228,903.79
Step by Step Solution
- Step 1: Write the proportion equation
1,615,742.68 : 2,229,623.42 = 890,550.52 : x - Step 2: Convert to fraction form
1,615,742.68/2,229,623.42 = 890,550.52/x - Step 3: Cross multiply
1,615,742.68x = 2,229,623.42 × 890,550.52 - Step 4: Simplify right side
1,615,742.68x = 1,985,592,296,085.18 - Step 5: Solve for x
x = 1,985,592,296,085.18/1,615,742.68 - Step 6: Final answer
x = 1,228,903.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.