Finding the Fourth Proportional to 6,385,347.60, 8,811,985.68 and 3,631,964.04
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Solution
The fourth proportional to 6,385,347.60, 8,811,985.68 and 3,631,964.04 is: 5,012,227.54
Step by Step Solution
- Step 1: Write the proportion equation
6,385,347.60 : 8,811,985.68 = 3,631,964.04 : x - Step 2: Convert to fraction form
6,385,347.60/8,811,985.68 = 3,631,964.04/x - Step 3: Cross multiply
6,385,347.60x = 8,811,985.68 × 3,631,964.04 - Step 4: Simplify right side
6,385,347.60x = 32,004,815,110,754.95 - Step 5: Solve for x
x = 32,004,815,110,754.95/6,385,347.60 - Step 6: Final answer
x = 5,012,227.54
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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.