Finding the Fourth Proportional to 3,079,289.75, 4,249,394.33 and 1,702,693.53
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Solution
The fourth proportional to 3,079,289.75, 4,249,394.33 and 1,702,693.53 is: 2,349,702.96
Step by Step Solution
- Step 1: Write the proportion equation
3,079,289.75 : 4,249,394.33 = 1,702,693.53 : x - Step 2: Convert to fraction form
3,079,289.75/4,249,394.33 = 1,702,693.53/x - Step 3: Cross multiply
3,079,289.75x = 4,249,394.33 × 1,702,693.53 - Step 4: Simplify right side
3,079,289.75x = 7,235,416,223,596.22 - Step 5: Solve for x
x = 7,235,416,223,596.22/3,079,289.75 - Step 6: Final answer
x = 2,349,702.96
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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.