Finding the Fourth Proportional to 1,478,206.97, 2,039,928.35 and 799,143.47
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Solution
The fourth proportional to 1,478,206.97, 2,039,928.35 and 799,143.47 is: 1,102,819.46
Step by Step Solution
- Step 1: Write the proportion equation
1,478,206.97 : 2,039,928.35 = 799,143.47 : x - Step 2: Convert to fraction form
1,478,206.97/2,039,928.35 = 799,143.47/x - Step 3: Cross multiply
1,478,206.97x = 2,039,928.35 × 799,143.47 - Step 4: Simplify right side
1,478,206.97x = 1,630,195,418,119.93 - Step 5: Solve for x
x = 1,630,195,418,119.93/1,478,206.97 - Step 6: Final answer
x = 1,102,819.46
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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.