Finding the Fourth Proportional to 1,742,910.96, 2,405,164.74 and 968,539.20
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Solution
The fourth proportional to 1,742,910.96, 2,405,164.74 and 968,539.20 is: 1,336,554.99
Step by Step Solution
- Step 1: Write the proportion equation
1,742,910.96 : 2,405,164.74 = 968,539.20 : x - Step 2: Convert to fraction form
1,742,910.96/2,405,164.74 = 968,539.20/x - Step 3: Cross multiply
1,742,910.96x = 2,405,164.74 × 968,539.20 - Step 4: Simplify right side
1,742,910.96x = 2,329,496,333,147.81 - Step 5: Solve for x
x = 2,329,496,333,147.81/1,742,910.96 - Step 6: Final answer
x = 1,336,554.99
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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.