Finding the Fourth Proportional to 3,064,786.36, 4,229,405.12 and 1,776,374.08
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Solution
The fourth proportional to 3,064,786.36, 4,229,405.12 and 1,776,374.08 is: 2,451,396.20
Step by Step Solution
- Step 1: Write the proportion equation
3,064,786.36 : 4,229,405.12 = 1,776,374.08 : x - Step 2: Convert to fraction form
3,064,786.36/4,229,405.12 = 1,776,374.08/x - Step 3: Cross multiply
3,064,786.36x = 4,229,405.12 × 1,776,374.08 - Step 4: Simplify right side
3,064,786.36x = 7,513,005,628,987.29 - Step 5: Solve for x
x = 7,513,005,628,987.29/3,064,786.36 - Step 6: Final answer
x = 2,451,396.20
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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.