Finding the Fourth Proportional to 1,877,167.80, 2,815,751.70 and 615,036.60
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Solution
The fourth proportional to 1,877,167.80, 2,815,751.70 and 615,036.60 is: 922,554.90
Step by Step Solution
- Step 1: Write the proportion equation
1,877,167.80 : 2,815,751.70 = 615,036.60 : x - Step 2: Convert to fraction form
1,877,167.80/2,815,751.70 = 615,036.60/x - Step 3: Cross multiply
1,877,167.80x = 2,815,751.70 × 615,036.60 - Step 4: Simplify right side
1,877,167.80x = 1,731,790,352,012.22 - Step 5: Solve for x
x = 1,731,790,352,012.22/1,877,167.80 - Step 6: Final answer
x = 922,554.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.