Finding the Fourth Proportional to 1,974,029.80, 2,724,322.02 and 1,114,799.08
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Solution
The fourth proportional to 1,974,029.80, 2,724,322.02 and 1,114,799.08 is: 1,538,513.59
Step by Step Solution
- Step 1: Write the proportion equation
1,974,029.80 : 2,724,322.02 = 1,114,799.08 : x - Step 2: Convert to fraction form
1,974,029.80/2,724,322.02 = 1,114,799.08/x - Step 3: Cross multiply
1,974,029.80x = 2,724,322.02 × 1,114,799.08 - Step 4: Simplify right side
1,974,029.80x = 3,037,071,681,519.74 - Step 5: Solve for x
x = 3,037,071,681,519.74/1,974,029.80 - Step 6: Final answer
x = 1,538,513.59
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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.