Finding the Fourth Proportional to 3,199,674.18, 4,415,619.92 and 1,910,274.06
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Solution
The fourth proportional to 3,199,674.18, 4,415,619.92 and 1,910,274.06 is: 2,636,219.72
Step by Step Solution
- Step 1: Write the proportion equation
3,199,674.18 : 4,415,619.92 = 1,910,274.06 : x - Step 2: Convert to fraction form
3,199,674.18/4,415,619.92 = 1,910,274.06/x - Step 3: Cross multiply
3,199,674.18x = 4,415,619.92 × 1,910,274.06 - Step 4: Simplify right side
3,199,674.18x = 8,435,044,182,443.91 - Step 5: Solve for x
x = 8,435,044,182,443.91/3,199,674.18 - Step 6: Final answer
x = 2,636,219.72
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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.