Finding the Fourth Proportional to 4,982,434.96, 6,874,338 and 2,806,217.68
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Solution
The fourth proportional to 4,982,434.96, 6,874,338 and 2,806,217.68 is: 3,871,779.36
Step by Step Solution
- Step 1: Write the proportion equation
4,982,434.96 : 6,874,338 = 2,806,217.68 : x - Step 2: Convert to fraction form
4,982,434.96/6,874,338 = 2,806,217.68/x - Step 3: Cross multiply
4,982,434.96x = 6,874,338 × 2,806,217.68 - Step 4: Simplify right side
4,982,434.96x = 19,290,888,833,895.84 - Step 5: Solve for x
x = 19,290,888,833,895.84/4,982,434.96 - Step 6: Final answer
x = 3,871,779.36
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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.