Finding the Fourth Proportional to 1,717,796.16, 2,370,776.44 and 1,039,106.88
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Solution
The fourth proportional to 1,717,796.16, 2,370,776.44 and 1,039,106.88 is: 1,434,099.21
Step by Step Solution
- Step 1: Write the proportion equation
1,717,796.16 : 2,370,776.44 = 1,039,106.88 : x - Step 2: Convert to fraction form
1,717,796.16/2,370,776.44 = 1,039,106.88/x - Step 3: Cross multiply
1,717,796.16x = 2,370,776.44 × 1,039,106.88 - Step 4: Simplify right side
1,717,796.16x = 2,463,490,109,745.91 - Step 5: Solve for x
x = 2,463,490,109,745.91/1,717,796.16 - Step 6: Final answer
x = 1,434,099.21
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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.