Finding the Fourth Proportional to 2,576,905.69, 3,556,136.22 and 1,430,986.00
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Solution
The fourth proportional to 2,576,905.69, 3,556,136.22 and 1,430,986.00 is: 1,974,764.21
Step by Step Solution
- Step 1: Write the proportion equation
2,576,905.69 : 3,556,136.22 = 1,430,986.00 : x - Step 2: Convert to fraction form
2,576,905.69/3,556,136.22 = 1,430,986.00/x - Step 3: Cross multiply
2,576,905.69x = 3,556,136.22 × 1,430,986.00 - Step 4: Simplify right side
2,576,905.69x = 5,088,781,127,132.24 - Step 5: Solve for x
x = 5,088,781,127,132.24/2,576,905.69 - Step 6: Final answer
x = 1,974,764.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.