Finding the Fourth Proportional to 1,869,075.50, 2,579,322.21 and 1,009,635.62
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Solution
The fourth proportional to 1,869,075.50, 2,579,322.21 and 1,009,635.62 is: 1,393,296.09
Step by Step Solution
- Step 1: Write the proportion equation
1,869,075.50 : 2,579,322.21 = 1,009,635.62 : x - Step 2: Convert to fraction form
1,869,075.50/2,579,322.21 = 1,009,635.62/x - Step 3: Cross multiply
1,869,075.50x = 2,579,322.21 × 1,009,635.62 - Step 4: Simplify right side
1,869,075.50x = 2,604,175,578,673.12 - Step 5: Solve for x
x = 2,604,175,578,673.12/1,869,075.50 - Step 6: Final answer
x = 1,393,296.09
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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.