Finding the Fourth Proportional to 2,132,638.58, 2,943,040.44 and 1,165,772.57
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Solution
The fourth proportional to 2,132,638.58, 2,943,040.44 and 1,165,772.57 is: 1,608,765.71
Step by Step Solution
- Step 1: Write the proportion equation
2,132,638.58 : 2,943,040.44 = 1,165,772.57 : x - Step 2: Convert to fraction form
2,132,638.58/2,943,040.44 = 1,165,772.57/x - Step 3: Cross multiply
2,132,638.58x = 2,943,040.44 × 1,165,772.57 - Step 4: Simplify right side
2,132,638.58x = 3,430,915,802,637.53 - Step 5: Solve for x
x = 3,430,915,802,637.53/2,132,638.58 - Step 6: Final answer
x = 1,608,765.71
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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.