Finding the Fourth Proportional to 1,508,327.34, 2,081,438.55 and 829,258.62
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Solution
The fourth proportional to 1,508,327.34, 2,081,438.55 and 829,258.62 is: 1,144,347.66
Step by Step Solution
- Step 1: Write the proportion equation
1,508,327.34 : 2,081,438.55 = 829,258.62 : x - Step 2: Convert to fraction form
1,508,327.34/2,081,438.55 = 829,258.62/x - Step 3: Cross multiply
1,508,327.34x = 2,081,438.55 × 829,258.62 - Step 4: Simplify right side
1,508,327.34x = 1,726,050,859,587.80 - Step 5: Solve for x
x = 1,726,050,859,587.80/1,508,327.34 - Step 6: Final answer
x = 1,144,347.66
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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.