Finding the Fourth Proportional to 2,991,230.08, 4,127,995.20 and 1,633,206.40
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Solution
The fourth proportional to 2,991,230.08, 4,127,995.20 and 1,633,206.40 is: 2,253,878.17
Step by Step Solution
- Step 1: Write the proportion equation
2,991,230.08 : 4,127,995.20 = 1,633,206.40 : x - Step 2: Convert to fraction form
2,991,230.08/4,127,995.20 = 1,633,206.40/x - Step 3: Cross multiply
2,991,230.08x = 4,127,995.20 × 1,633,206.40 - Step 4: Simplify right side
2,991,230.08x = 6,741,868,179,809.28 - Step 5: Solve for x
x = 6,741,868,179,809.28/2,991,230.08 - Step 6: Final answer
x = 2,253,878.17
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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.