Finding the Fourth Proportional to 2,359,628.88, 3,256,537.68 and 1,442,394.88
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Solution
The fourth proportional to 2,359,628.88, 3,256,537.68 and 1,442,394.88 is: 1,990,657.65
Step by Step Solution
- Step 1: Write the proportion equation
2,359,628.88 : 3,256,537.68 = 1,442,394.88 : x - Step 2: Convert to fraction form
2,359,628.88/3,256,537.68 = 1,442,394.88/x - Step 3: Cross multiply
2,359,628.88x = 3,256,537.68 × 1,442,394.88 - Step 4: Simplify right side
2,359,628.88x = 4,697,213,276,159.08 - Step 5: Solve for x
x = 4,697,213,276,159.08/2,359,628.88 - Step 6: Final answer
x = 1,990,657.65
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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.