Finding the Fourth Proportional to 4,972,330.80, 7,458,496.20 and 2,576,909.70
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Solution
The fourth proportional to 4,972,330.80, 7,458,496.20 and 2,576,909.70 is: 3,865,364.55
Step by Step Solution
- Step 1: Write the proportion equation
4,972,330.80 : 7,458,496.20 = 2,576,909.70 : x - Step 2: Convert to fraction form
4,972,330.80/7,458,496.20 = 2,576,909.70/x - Step 3: Cross multiply
4,972,330.80x = 7,458,496.20 × 2,576,909.70 - Step 4: Simplify right side
4,972,330.80x = 19,219,871,205,193.14 - Step 5: Solve for x
x = 19,219,871,205,193.14/4,972,330.80 - Step 6: Final answer
x = 3,865,364.55
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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.