Finding the Fourth Proportional to 1,525,135.80, 2,104,616.35 and 836,792.13
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Solution
The fourth proportional to 1,525,135.80, 2,104,616.35 and 836,792.13 is: 1,154,734.16
Step by Step Solution
- Step 1: Write the proportion equation
1,525,135.80 : 2,104,616.35 = 836,792.13 : x - Step 2: Convert to fraction form
1,525,135.80/2,104,616.35 = 836,792.13/x - Step 3: Cross multiply
1,525,135.80x = 2,104,616.35 × 836,792.13 - Step 4: Simplify right side
1,525,135.80x = 1,761,126,407,287.63 - Step 5: Solve for x
x = 1,761,126,407,287.63/1,525,135.80 - Step 6: Final answer
x = 1,154,734.16
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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.