Finding the Fourth Proportional to 6,384,643.70, 9,576,965.55 and 6,132,701.30
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Solution
The fourth proportional to 6,384,643.70, 9,576,965.55 and 6,132,701.30 is: 9,199,051.95
Step by Step Solution
- Step 1: Write the proportion equation
6,384,643.70 : 9,576,965.55 = 6,132,701.30 : x - Step 2: Convert to fraction form
6,384,643.70/9,576,965.55 = 6,132,701.30/x - Step 3: Cross multiply
6,384,643.70x = 9,576,965.55 × 6,132,701.30 - Step 4: Simplify right side
6,384,643.70x = 58,732,669,078,540.22 - Step 5: Solve for x
x = 58,732,669,078,540.22/6,384,643.70 - Step 6: Final answer
x = 9,199,051.95
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1.5x scale
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.