Finding the Fourth Proportional to 3,809,265.18, 5,256,937.58 and 2,090,447.21
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Solution
The fourth proportional to 3,809,265.18, 5,256,937.58 and 2,090,447.21 is: 2,884,900.35
Step by Step Solution
- Step 1: Write the proportion equation
3,809,265.18 : 5,256,937.58 = 2,090,447.21 : x - Step 2: Convert to fraction form
3,809,265.18/5,256,937.58 = 2,090,447.21/x - Step 3: Cross multiply
3,809,265.18x = 5,256,937.58 × 2,090,447.21 - Step 4: Simplify right side
3,809,265.18x = 10,989,350,460,518.23 - Step 5: Solve for x
x = 10,989,350,460,518.23/3,809,265.18 - Step 6: Final answer
x = 2,884,900.35
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1.5x scale
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.