Finding the Fourth Proportional to 1,713,115.16, 2,364,194.58 and 978,286.40
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Solution
The fourth proportional to 1,713,115.16, 2,364,194.58 and 978,286.40 is: 1,350,089.86
Step by Step Solution
- Step 1: Write the proportion equation
1,713,115.16 : 2,364,194.58 = 978,286.40 : x - Step 2: Convert to fraction form
1,713,115.16/2,364,194.58 = 978,286.40/x - Step 3: Cross multiply
1,713,115.16x = 2,364,194.58 × 978,286.40 - Step 4: Simplify right side
1,713,115.16x = 2,312,859,404,567.71 - Step 5: Solve for x
x = 2,312,859,404,567.71/1,713,115.16 - Step 6: Final answer
x = 1,350,089.86
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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.