Finding the Fourth Proportional to 1,449,511.82, 2,174,881.98 and 775,416.50
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Solution
The fourth proportional to 1,449,511.82, 2,174,881.98 and 775,416.50 is: 1,163,453.34
Step by Step Solution
- Step 1: Write the proportion equation
1,449,511.82 : 2,174,881.98 = 775,416.50 : x - Step 2: Convert to fraction form
1,449,511.82/2,174,881.98 = 775,416.50/x - Step 3: Cross multiply
1,449,511.82x = 2,174,881.98 × 775,416.50 - Step 4: Simplify right side
1,449,511.82x = 1,686,439,372,844.67 - Step 5: Solve for x
x = 1,686,439,372,844.67/1,449,511.82 - Step 6: Final answer
x = 1,163,453.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.