Finding the Fourth Proportional to 4,293,524.16, 5,930,259.84 and 3,130,128
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Solution
The fourth proportional to 4,293,524.16, 5,930,259.84 and 3,130,128 is: 4,323,365.07
Step by Step Solution
- Step 1: Write the proportion equation
4,293,524.16 : 5,930,259.84 = 3,130,128 : x - Step 2: Convert to fraction form
4,293,524.16/5,930,259.84 = 3,130,128/x - Step 3: Cross multiply
4,293,524.16x = 5,930,259.84 × 3,130,128 - Step 4: Simplify right side
4,293,524.16x = 18,562,472,372,459.52 - Step 5: Solve for x
x = 18,562,472,372,459.52/4,293,524.16 - Step 6: Final answer
x = 4,323,365.07
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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.