Finding the Fourth Proportional to 6,805,212.18, 9,390,919.73 and 3,707,760.44
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Solution
The fourth proportional to 6,805,212.18, 9,390,919.73 and 3,707,760.44 is: 5,116,560.61
Step by Step Solution
- Step 1: Write the proportion equation
6,805,212.18 : 9,390,919.73 = 3,707,760.44 : x - Step 2: Convert to fraction form
6,805,212.18/9,390,919.73 = 3,707,760.44/x - Step 3: Cross multiply
6,805,212.18x = 9,390,919.73 × 3,707,760.44 - Step 4: Simplify right side
6,805,212.18x = 34,819,280,604,616.08 - Step 5: Solve for x
x = 34,819,280,604,616.08/6,805,212.18 - Step 6: Final answer
x = 5,116,560.61
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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.