Finding the Fourth Proportional to 1,449,631.80, 2,174,447.70 and 1,239,679.80
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Solution
The fourth proportional to 1,449,631.80, 2,174,447.70 and 1,239,679.80 is: 1,859,519.70
Step by Step Solution
- Step 1: Write the proportion equation
1,449,631.80 : 2,174,447.70 = 1,239,679.80 : x - Step 2: Convert to fraction form
1,449,631.80/2,174,447.70 = 1,239,679.80/x - Step 3: Cross multiply
1,449,631.80x = 2,174,447.70 × 1,239,679.80 - Step 4: Simplify right side
1,449,631.80x = 2,695,618,889,846.46 - Step 5: Solve for x
x = 2,695,618,889,846.46/1,449,631.80 - Step 6: Final answer
x = 1,859,519.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.