Finding the Fourth Proportional to 1,687,739.14, 2,329,087.43 and 913,370.09
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Solution
The fourth proportional to 1,687,739.14, 2,329,087.43 and 913,370.09 is: 1,260,454.74
Step by Step Solution
- Step 1: Write the proportion equation
1,687,739.14 : 2,329,087.43 = 913,370.09 : x - Step 2: Convert to fraction form
1,687,739.14/2,329,087.43 = 913,370.09/x - Step 3: Cross multiply
1,687,739.14x = 2,329,087.43 × 913,370.09 - Step 4: Simplify right side
1,687,739.14x = 2,127,318,799,296.07 - Step 5: Solve for x
x = 2,127,318,799,296.07/1,687,739.14 - Step 6: Final answer
x = 1,260,454.74
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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.