Finding the Fourth Proportional to 5,612,130.96, 7,742,975.04 and 3,434,403.84
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Solution
The fourth proportional to 5,612,130.96, 7,742,975.04 and 3,434,403.84 is: 4,738,396.77
Step by Step Solution
- Step 1: Write the proportion equation
5,612,130.96 : 7,742,975.04 = 3,434,403.84 : x - Step 2: Convert to fraction form
5,612,130.96/7,742,975.04 = 3,434,403.84/x - Step 3: Cross multiply
5,612,130.96x = 7,742,975.04 × 3,434,403.84 - Step 4: Simplify right side
5,612,130.96x = 26,592,503,210,400.15 - Step 5: Solve for x
x = 26,592,503,210,400.15/5,612,130.96 - Step 6: Final answer
x = 4,738,396.77
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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.