Finding the Fourth Proportional to 1,691,531.63, 2,334,345.68 and 927,539.63
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Solution
The fourth proportional to 1,691,531.63, 2,334,345.68 and 927,539.63 is: 1,280,022.25
Step by Step Solution
- Step 1: Write the proportion equation
1,691,531.63 : 2,334,345.68 = 927,539.63 : x - Step 2: Convert to fraction form
1,691,531.63/2,334,345.68 = 927,539.63/x - Step 3: Cross multiply
1,691,531.63x = 2,334,345.68 × 927,539.63 - Step 4: Simplify right side
1,691,531.63x = 2,165,198,123,681.60 - Step 5: Solve for x
x = 2,165,198,123,681.60/1,691,531.63 - Step 6: Final answer
x = 1,280,022.25
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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.