Finding the Fourth Proportional to 1,762,674.74, 2,433,235.21 and 1,190,489.93
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Solution
The fourth proportional to 1,762,674.74, 2,433,235.21 and 1,190,489.93 is: 1,643,378.64
Step by Step Solution
- Step 1: Write the proportion equation
1,762,674.74 : 2,433,235.21 = 1,190,489.93 : x - Step 2: Convert to fraction form
1,762,674.74/2,433,235.21 = 1,190,489.93/x - Step 3: Cross multiply
1,762,674.74x = 2,433,235.21 × 1,190,489.93 - Step 4: Simplify right side
1,762,674.74x = 2,896,742,008,808.67 - Step 5: Solve for x
x = 2,896,742,008,808.67/1,762,674.74 - Step 6: Final answer
x = 1,643,378.64
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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.