Finding the Fourth Proportional to 1,681,120.60, 2,319,934.98 and 955,968.28
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Solution
The fourth proportional to 1,681,120.60, 2,319,934.98 and 955,968.28 is: 1,319,229.72
Step by Step Solution
- Step 1: Write the proportion equation
1,681,120.60 : 2,319,934.98 = 955,968.28 : x - Step 2: Convert to fraction form
1,681,120.60/2,319,934.98 = 955,968.28/x - Step 3: Cross multiply
1,681,120.60x = 2,319,934.98 × 955,968.28 - Step 4: Simplify right side
1,681,120.60x = 2,217,784,252,542.43 - Step 5: Solve for x
x = 2,217,784,252,542.43/1,681,120.60 - Step 6: Final answer
x = 1,319,229.72
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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.