Finding the Fourth Proportional to 1,565,220.92, 2,343,104.62 and 1,415,531.70
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Solution
The fourth proportional to 1,565,220.92, 2,343,104.62 and 1,415,531.70 is: 2,119,022.84
Step by Step Solution
- Step 1: Write the proportion equation
1,565,220.92 : 2,343,104.62 = 1,415,531.70 : x - Step 2: Convert to fraction form
1,565,220.92/2,343,104.62 = 1,415,531.70/x - Step 3: Cross multiply
1,565,220.92x = 2,343,104.62 × 1,415,531.70 - Step 4: Simplify right side
1,565,220.92x = 3,316,738,862,487.63 - Step 5: Solve for x
x = 3,316,738,862,487.63/1,565,220.92 - Step 6: Final answer
x = 2,119,022.84
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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.