Finding the Fourth Proportional to 1,890,677.97, 2,609,356.19 and 1,075,003.88
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Solution
The fourth proportional to 1,890,677.97, 2,609,356.19 and 1,075,003.88 is: 1,483,630.77
Step by Step Solution
- Step 1: Write the proportion equation
1,890,677.97 : 2,609,356.19 = 1,075,003.88 : x - Step 2: Convert to fraction form
1,890,677.97/2,609,356.19 = 1,075,003.88/x - Step 3: Cross multiply
1,890,677.97x = 2,609,356.19 × 1,075,003.88 - Step 4: Simplify right side
1,890,677.97x = 2,805,068,010,130.22 - Step 5: Solve for x
x = 2,805,068,010,130.22/1,890,677.97 - Step 6: Final answer
x = 1,483,630.77
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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.