Finding the Fourth Proportional to 6,680,982.80, 10,021,426.20 and 1,632,246.80
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Solution
The fourth proportional to 6,680,982.80, 10,021,426.20 and 1,632,246.80 is: 2,448,358.47
Step by Step Solution
- Step 1: Write the proportion equation
6,680,982.80 : 10,021,426.20 = 1,632,246.80 : x - Step 2: Convert to fraction form
6,680,982.80/10,021,426.20 = 1,632,246.80/x - Step 3: Cross multiply
6,680,982.80x = 10,021,426.20 × 1,632,246.80 - Step 4: Simplify right side
6,680,982.80x = 16,357,440,846,386.16 - Step 5: Solve for x
x = 16,357,440,846,386.16/6,680,982.80 - Step 6: Final answer
x = 2,448,358.47
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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.