Finding the Fourth Proportional to 2,197,140.12, 3,292,569.61 and 1,235,577.40
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Solution
The fourth proportional to 2,197,140.12, 3,292,569.61 and 1,235,577.40 is: 1,851,599.98
Step by Step Solution
- Step 1: Write the proportion equation
2,197,140.12 : 3,292,569.61 = 1,235,577.40 : x - Step 2: Convert to fraction form
2,197,140.12/3,292,569.61 = 1,235,577.40/x - Step 3: Cross multiply
2,197,140.12x = 3,292,569.61 × 1,235,577.40 - Step 4: Simplify right side
2,197,140.12x = 4,068,224,598,042.81 - Step 5: Solve for x
x = 4,068,224,598,042.81/2,197,140.12 - Step 6: Final answer
x = 1,851,599.98
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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.