Finding the Fourth Proportional to 4,660,773.92, 6,991,538.16 and 1,294,981.28
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Solution
The fourth proportional to 4,660,773.92, 6,991,538.16 and 1,294,981.28 is: 1,942,576.75
Step by Step Solution
- Step 1: Write the proportion equation
4,660,773.92 : 6,991,538.16 = 1,294,981.28 : x - Step 2: Convert to fraction form
4,660,773.92/6,991,538.16 = 1,294,981.28/x - Step 3: Cross multiply
4,660,773.92x = 6,991,538.16 × 1,294,981.28 - Step 4: Simplify right side
4,660,773.92x = 9,053,911,035,605.65 - Step 5: Solve for x
x = 9,053,911,035,605.65/4,660,773.92 - Step 6: Final answer
x = 1,942,576.75
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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.