Finding the Fourth Proportional to 4,129,042.80, 5,698,169.28 and 2,268,482.32
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Solution
The fourth proportional to 4,129,042.80, 5,698,169.28 and 2,268,482.32 is: 3,130,555.17
Step by Step Solution
- Step 1: Write the proportion equation
4,129,042.80 : 5,698,169.28 = 2,268,482.32 : x - Step 2: Convert to fraction form
4,129,042.80/5,698,169.28 = 2,268,482.32/x - Step 3: Cross multiply
4,129,042.80x = 5,698,169.28 × 2,268,482.32 - Step 4: Simplify right side
4,129,042.80x = 12,926,196,268,047.13 - Step 5: Solve for x
x = 12,926,196,268,047.13/4,129,042.80 - Step 6: Final answer
x = 3,130,555.17
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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.