Finding the Fourth Proportional to 4,636,998.70, 6,952,258.05 and 2,742,765.10
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Solution
The fourth proportional to 4,636,998.70, 6,952,258.05 and 2,742,765.10 is: 4,112,231.20
Step by Step Solution
- Step 1: Write the proportion equation
4,636,998.70 : 6,952,258.05 = 2,742,765.10 : x - Step 2: Convert to fraction form
4,636,998.70/6,952,258.05 = 2,742,765.10/x - Step 3: Cross multiply
4,636,998.70x = 6,952,258.05 × 2,742,765.10 - Step 4: Simplify right side
4,636,998.70x = 19,068,410,745,734.05 - Step 5: Solve for x
x = 19,068,410,745,734.05/4,636,998.70 - Step 6: Final answer
x = 4,112,231.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.