Finding the Fourth Proportional to 3,211,156.48, 4,427,763.84 and 2,048,047.36
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Solution
The fourth proportional to 3,211,156.48, 4,427,763.84 and 2,048,047.36 is: 2,823,988.83
Step by Step Solution
- Step 1: Write the proportion equation
3,211,156.48 : 4,427,763.84 = 2,048,047.36 : x - Step 2: Convert to fraction form
3,211,156.48/4,427,763.84 = 2,048,047.36/x - Step 3: Cross multiply
3,211,156.48x = 4,427,763.84 × 2,048,047.36 - Step 4: Simplify right side
3,211,156.48x = 9,068,270,043,215.46 - Step 5: Solve for x
x = 9,068,270,043,215.46/3,211,156.48 - Step 6: Final answer
x = 2,823,988.83
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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.