Finding the Fourth Proportional to 1,540,317.09, 2,125,494.93 and 851,974.13
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Solution
The fourth proportional to 1,540,317.09, 2,125,494.93 and 851,974.13 is: 1,175,645.40
Step by Step Solution
- Step 1: Write the proportion equation
1,540,317.09 : 2,125,494.93 = 851,974.13 : x - Step 2: Convert to fraction form
1,540,317.09/2,125,494.93 = 851,974.13/x - Step 3: Cross multiply
1,540,317.09x = 2,125,494.93 × 851,974.13 - Step 4: Simplify right side
1,540,317.09x = 1,810,866,702,314.80 - Step 5: Solve for x
x = 1,810,866,702,314.80/1,540,317.09 - Step 6: Final answer
x = 1,175,645.40
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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.