Finding the Fourth Proportional to 1,703,878.14, 2,351,272.68 and 978,215.16
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Solution
The fourth proportional to 1,703,878.14, 2,351,272.68 and 978,215.16 is: 1,349,891.48
Step by Step Solution
- Step 1: Write the proportion equation
1,703,878.14 : 2,351,272.68 = 978,215.16 : x - Step 2: Convert to fraction form
1,703,878.14/2,351,272.68 = 978,215.16/x - Step 3: Cross multiply
1,703,878.14x = 2,351,272.68 × 978,215.16 - Step 4: Simplify right side
1,703,878.14x = 2,300,050,580,869.83 - Step 5: Solve for x
x = 2,300,050,580,869.83/1,703,878.14 - Step 6: Final answer
x = 1,349,891.48
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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.