Finding the Fourth Proportional to 4,742,989.92, 6,543,690.48 and 2,677,747.68
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Solution
The fourth proportional to 4,742,989.92, 6,543,690.48 and 2,677,747.68 is: 3,694,368.38
Step by Step Solution
- Step 1: Write the proportion equation
4,742,989.92 : 6,543,690.48 = 2,677,747.68 : x - Step 2: Convert to fraction form
4,742,989.92/6,543,690.48 = 2,677,747.68/x - Step 3: Cross multiply
4,742,989.92x = 6,543,690.48 × 2,677,747.68 - Step 4: Simplify right side
4,742,989.92x = 17,522,352,001,458.09 - Step 5: Solve for x
x = 17,522,352,001,458.09/4,742,989.92 - Step 6: Final answer
x = 3,694,368.38
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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.