Finding the Fourth Proportional to 1,785,490.65, 2,678,257.76 and 523,343.79
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Solution
The fourth proportional to 1,785,490.65, 2,678,257.76 and 523,343.79 is: 785,022.07
Step by Step Solution
- Step 1: Write the proportion equation
1,785,490.65 : 2,678,257.76 = 523,343.79 : x - Step 2: Convert to fraction form
1,785,490.65/2,678,257.76 = 523,343.79/x - Step 3: Cross multiply
1,785,490.65x = 2,678,257.76 × 523,343.79 - Step 4: Simplify right side
1,785,490.65x = 1,401,649,566,715.31 - Step 5: Solve for x
x = 1,401,649,566,715.31/1,785,490.65 - Step 6: Final answer
x = 785,022.07
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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.