Finding the Fourth Proportional to 1,631,036.70, 2,446,555.05 and 1,034,641.80
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Solution
The fourth proportional to 1,631,036.70, 2,446,555.05 and 1,034,641.80 is: 1,551,962.70
Step by Step Solution
- Step 1: Write the proportion equation
1,631,036.70 : 2,446,555.05 = 1,034,641.80 : x - Step 2: Convert to fraction form
1,631,036.70/2,446,555.05 = 1,034,641.80/x - Step 3: Cross multiply
1,631,036.70x = 2,446,555.05 × 1,034,641.80 - Step 4: Simplify right side
1,631,036.70x = 2,531,308,120,731.09 - Step 5: Solve for x
x = 2,531,308,120,731.09/1,631,036.70 - Step 6: Final answer
x = 1,551,962.70
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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.