Finding the Fourth Proportional to 1,805,103.23, 2,489,607.36 and 1,534,068.32
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Solution
The fourth proportional to 1,805,103.23, 2,489,607.36 and 1,534,068.32 is: 2,115,794.66
Step by Step Solution
- Step 1: Write the proportion equation
1,805,103.23 : 2,489,607.36 = 1,534,068.32 : x - Step 2: Convert to fraction form
1,805,103.23/2,489,607.36 = 1,534,068.32/x - Step 3: Cross multiply
1,805,103.23x = 2,489,607.36 × 1,534,068.32 - Step 4: Simplify right side
1,805,103.23x = 3,819,227,767,766.80 - Step 5: Solve for x
x = 3,819,227,767,766.80/1,805,103.23 - Step 6: Final answer
x = 2,115,794.66
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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.