Finding the Fourth Proportional to 5,915,835.88, 8,163,854.12 and 3,199,581.88
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Solution
The fourth proportional to 5,915,835.88, 8,163,854.12 and 3,199,581.88 is: 4,415,423.32
Step by Step Solution
- Step 1: Write the proportion equation
5,915,835.88 : 8,163,854.12 = 3,199,581.88 : x - Step 2: Convert to fraction form
5,915,835.88/8,163,854.12 = 3,199,581.88/x - Step 3: Cross multiply
5,915,835.88x = 8,163,854.12 × 3,199,581.88 - Step 4: Simplify right side
5,915,835.88x = 26,120,919,713,315.34 - Step 5: Solve for x
x = 26,120,919,713,315.34/5,915,835.88 - Step 6: Final answer
x = 4,415,423.32
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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.