Finding the Fourth Proportional to 4,293,525.16, 5,930,261.22 and 3,130,129
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Solution
The fourth proportional to 4,293,525.16, 5,930,261.22 and 3,130,129 is: 4,323,366.45
Step by Step Solution
- Step 1: Write the proportion equation
4,293,525.16 : 5,930,261.22 = 3,130,129 : x - Step 2: Convert to fraction form
4,293,525.16/5,930,261.22 = 3,130,129/x - Step 3: Cross multiply
4,293,525.16x = 5,930,261.22 × 3,130,129 - Step 4: Simplify right side
4,293,525.16x = 18,562,482,622,297.38 - Step 5: Solve for x
x = 18,562,482,622,297.38/4,293,525.16 - Step 6: Final answer
x = 4,323,366.45
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1.5x scale
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.