Finding the Fourth Proportional to 2,543,374.08, 3,509,858.16 and 1,397,528.64
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Solution
The fourth proportional to 2,543,374.08, 3,509,858.16 and 1,397,528.64 is: 1,928,590.58
Step by Step Solution
- Step 1: Write the proportion equation
2,543,374.08 : 3,509,858.16 = 1,397,528.64 : x - Step 2: Convert to fraction form
2,543,374.08/3,509,858.16 = 1,397,528.64/x - Step 3: Cross multiply
2,543,374.08x = 3,509,858.16 × 1,397,528.64 - Step 4: Simplify right side
2,543,374.08x = 4,905,127,300,937.70 - Step 5: Solve for x
x = 4,905,127,300,937.70/2,543,374.08 - Step 6: Final answer
x = 1,928,590.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.