Finding the Fourth Proportional to 3,528,139.24, 5,293,958.30 and 1,398,176.20
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Solution
The fourth proportional to 3,528,139.24, 5,293,958.30 and 1,398,176.20 is: 2,097,957.59
Step by Step Solution
- Step 1: Write the proportion equation
3,528,139.24 : 5,293,958.30 = 1,398,176.20 : x - Step 2: Convert to fraction form
3,528,139.24/5,293,958.30 = 1,398,176.20/x - Step 3: Cross multiply
3,528,139.24x = 5,293,958.30 × 1,398,176.20 - Step 4: Simplify right side
3,528,139.24x = 7,401,886,498,852.46 - Step 5: Solve for x
x = 7,401,886,498,852.46/3,528,139.24 - Step 6: Final answer
x = 2,097,957.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.