Finding the Fourth Proportional to 4,638,814.61, 6,401,914.79 and 2,574,221.00
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Solution
The fourth proportional to 4,638,814.61, 6,401,914.79 and 2,574,221.00 is: 3,552,619.55
Step by Step Solution
- Step 1: Write the proportion equation
4,638,814.61 : 6,401,914.79 = 2,574,221.00 : x - Step 2: Convert to fraction form
4,638,814.61/6,401,914.79 = 2,574,221.00/x - Step 3: Cross multiply
4,638,814.61x = 6,401,914.79 × 2,574,221.00 - Step 4: Simplify right side
4,638,814.61x = 16,479,943,447,747.91 - Step 5: Solve for x
x = 16,479,943,447,747.91/4,638,814.61 - Step 6: Final answer
x = 3,552,619.55
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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.