Finding the Fourth Proportional to 1,991,010.24, 2,986,527.26 and 495,102.24
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Solution
The fourth proportional to 1,991,010.24, 2,986,527.26 and 495,102.24 is: 742,656.32
Step by Step Solution
- Step 1: Write the proportion equation
1,991,010.24 : 2,986,527.26 = 495,102.24 : x - Step 2: Convert to fraction form
1,991,010.24/2,986,527.26 = 495,102.24/x - Step 3: Cross multiply
1,991,010.24x = 2,986,527.26 × 495,102.24 - Step 4: Simplify right side
1,991,010.24x = 1,478,636,336,247.06 - Step 5: Solve for x
x = 1,478,636,336,247.06/1,991,010.24 - Step 6: Final answer
x = 742,656.32
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1.5x scale
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.