Finding the Fourth Proportional to 1,980,869.19, 2,734,250.63 and 1,165,038
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Solution
The fourth proportional to 1,980,869.19, 2,734,250.63 and 1,165,038 is: 1,608,135.41
Step by Step Solution
- Step 1: Write the proportion equation
1,980,869.19 : 2,734,250.63 = 1,165,038 : x - Step 2: Convert to fraction form
1,980,869.19/2,734,250.63 = 1,165,038/x - Step 3: Cross multiply
1,980,869.19x = 2,734,250.63 × 1,165,038 - Step 4: Simplify right side
1,980,869.19x = 3,185,505,879,648.75 - Step 5: Solve for x
x = 3,185,505,879,648.75/1,980,869.19 - Step 6: Final answer
x = 1,608,135.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.