Finding the Fourth Proportional to 6,780,695.09, 9,357,352.11 and 3,683,220.84
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Solution
The fourth proportional to 6,780,695.09, 9,357,352.11 and 3,683,220.84 is: 5,082,840.90
Step by Step Solution
- Step 1: Write the proportion equation
6,780,695.09 : 9,357,352.11 = 3,683,220.84 : x - Step 2: Convert to fraction form
6,780,695.09/9,357,352.11 = 3,683,220.84/x - Step 3: Cross multiply
6,780,695.09x = 9,357,352.11 × 3,683,220.84 - Step 4: Simplify right side
6,780,695.09x = 34,465,194,317,424.97 - Step 5: Solve for x
x = 34,465,194,317,424.97/6,780,695.09 - Step 6: Final answer
x = 5,082,840.90
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1.5x scale
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.