Finding the Fourth Proportional to 4,031,406.09, 5,563,373.36 and 2,195,871.57
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Solution
The fourth proportional to 4,031,406.09, 5,563,373.36 and 2,195,871.57 is: 3,030,320.71
Step by Step Solution
- Step 1: Write the proportion equation
4,031,406.09 : 5,563,373.36 = 2,195,871.57 : x - Step 2: Convert to fraction form
4,031,406.09/5,563,373.36 = 2,195,871.57/x - Step 3: Cross multiply
4,031,406.09x = 5,563,373.36 × 2,195,871.57 - Step 4: Simplify right side
4,031,406.09x = 12,216,453,383,540.02 - Step 5: Solve for x
x = 12,216,453,383,540.02/4,031,406.09 - Step 6: Final answer
x = 3,030,320.71
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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.