Finding the Fourth Proportional to 1,525,316.31, 2,104,896.47 and 836,986.05
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Solution
The fourth proportional to 1,525,316.31, 2,104,896.47 and 836,986.05 is: 1,155,018.78
Step by Step Solution
- Step 1: Write the proportion equation
1,525,316.31 : 2,104,896.47 = 836,986.05 : x - Step 2: Convert to fraction form
1,525,316.31/2,104,896.47 = 836,986.05/x - Step 3: Cross multiply
1,525,316.31x = 2,104,896.47 × 836,986.05 - Step 4: Simplify right side
1,525,316.31x = 1,761,768,977,899.31 - Step 5: Solve for x
x = 1,761,768,977,899.31/1,525,316.31 - Step 6: Final answer
x = 1,155,018.78
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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.