Finding the Fourth Proportional to 1,580,779.28, 2,180,891.84 and 1,037,216.84
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Solution
The fourth proportional to 1,580,779.28, 2,180,891.84 and 1,037,216.84 is: 1,430,976.33
Step by Step Solution
- Step 1: Write the proportion equation
1,580,779.28 : 2,180,891.84 = 1,037,216.84 : x - Step 2: Convert to fraction form
1,580,779.28/2,180,891.84 = 1,037,216.84/x - Step 3: Cross multiply
1,580,779.28x = 2,180,891.84 × 1,037,216.84 - Step 4: Simplify right side
1,580,779.28x = 2,262,057,726,576.04 - Step 5: Solve for x
x = 2,262,057,726,576.04/1,580,779.28 - Step 6: Final answer
x = 1,430,976.33
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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.