Finding the Fourth Proportional to 6,805,480.66, 9,391,775.98 and 3,905,402.02
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Solution
The fourth proportional to 6,805,480.66, 9,391,775.98 and 3,905,402.02 is: 5,389,576.83
Step by Step Solution
- Step 1: Write the proportion equation
6,805,480.66 : 9,391,775.98 = 3,905,402.02 : x - Step 2: Convert to fraction form
6,805,480.66/9,391,775.98 = 3,905,402.02/x - Step 3: Cross multiply
6,805,480.66x = 9,391,775.98 × 3,905,402.02 - Step 4: Simplify right side
6,805,480.66x = 36,678,660,883,679.48 - Step 5: Solve for x
x = 36,678,660,883,679.48/6,805,480.66 - Step 6: Final answer
x = 5,389,576.83
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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.