Finding the Fourth Proportional to 2,576,722.70, 3,864,099.90 and 779,008.70
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Solution
The fourth proportional to 2,576,722.70, 3,864,099.90 and 779,008.70 is: 1,168,215.52
Step by Step Solution
- Step 1: Write the proportion equation
2,576,722.70 : 3,864,099.90 = 779,008.70 : x - Step 2: Convert to fraction form
2,576,722.70/3,864,099.90 = 779,008.70/x - Step 3: Cross multiply
2,576,722.70x = 3,864,099.90 × 779,008.70 - Step 4: Simplify right side
2,576,722.70x = 3,010,167,439,769.13 - Step 5: Solve for x
x = 3,010,167,439,769.13/2,576,722.70 - Step 6: Final answer
x = 1,168,215.52
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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.