Finding the Fourth Proportional to 1,921,763.89, 2,651,930.08 and 1,062,268.79
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Solution
The fourth proportional to 1,921,763.89, 2,651,930.08 and 1,062,268.79 is: 1,465,873.39
Step by Step Solution
- Step 1: Write the proportion equation
1,921,763.89 : 2,651,930.08 = 1,062,268.79 : x - Step 2: Convert to fraction form
1,921,763.89/2,651,930.08 = 1,062,268.79/x - Step 3: Cross multiply
1,921,763.89x = 2,651,930.08 × 1,062,268.79 - Step 4: Simplify right side
1,921,763.89x = 2,817,062,541,330.88 - Step 5: Solve for x
x = 2,817,062,541,330.88/1,921,763.89 - Step 6: Final answer
x = 1,465,873.39
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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.