Finding the Fourth Proportional to 1,845,128.66, 2,545,962.18 and 1,070,581.94
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Solution
The fourth proportional to 1,845,128.66, 2,545,962.18 and 1,070,581.94 is: 1,477,220.09
Step by Step Solution
- Step 1: Write the proportion equation
1,845,128.66 : 2,545,962.18 = 1,070,581.94 : x - Step 2: Convert to fraction form
1,845,128.66/2,545,962.18 = 1,070,581.94/x - Step 3: Cross multiply
1,845,128.66x = 2,545,962.18 × 1,070,581.94 - Step 4: Simplify right side
1,845,128.66x = 2,725,661,117,101.22 - Step 5: Solve for x
x = 2,725,661,117,101.22/1,845,128.66 - Step 6: Final answer
x = 1,477,220.09
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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.