Finding the Fourth Proportional to 1,555,878.98, 2,147,104.97 and 902,637.10
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Solution
The fourth proportional to 1,555,878.98, 2,147,104.97 and 902,637.10 is: 1,245,634.54
Step by Step Solution
- Step 1: Write the proportion equation
1,555,878.98 : 2,147,104.97 = 902,637.10 : x - Step 2: Convert to fraction form
1,555,878.98/2,147,104.97 = 902,637.10/x - Step 3: Cross multiply
1,555,878.98x = 2,147,104.97 × 902,637.10 - Step 4: Simplify right side
1,555,878.98x = 1,938,056,605,071.97 - Step 5: Solve for x
x = 1,938,056,605,071.97/1,555,878.98 - Step 6: Final answer
x = 1,245,634.54
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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.