Finding the Fourth Proportional to 6,784,477.20, 10,176,715.80 and 2,795,389.20
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Solution
The fourth proportional to 6,784,477.20, 10,176,715.80 and 2,795,389.20 is: 4,193,083.80
Step by Step Solution
- Step 1: Write the proportion equation
6,784,477.20 : 10,176,715.80 = 2,795,389.20 : x - Step 2: Convert to fraction form
6,784,477.20/10,176,715.80 = 2,795,389.20/x - Step 3: Cross multiply
6,784,477.20x = 10,176,715.80 × 2,795,389.20 - Step 4: Simplify right side
6,784,477.20x = 28,447,881,438,789.36 - Step 5: Solve for x
x = 28,447,881,438,789.36/6,784,477.20 - Step 6: Final answer
x = 4,193,083.80
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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.