Finding the Fourth Proportional to 1,107,007.80, 1,660,511.70 and 910,177.80
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Solution
The fourth proportional to 1,107,007.80, 1,660,511.70 and 910,177.80 is: 1,365,266.70
Step by Step Solution
- Step 1: Write the proportion equation
1,107,007.80 : 1,660,511.70 = 910,177.80 : x - Step 2: Convert to fraction form
1,107,007.80/1,660,511.70 = 910,177.80/x - Step 3: Cross multiply
1,107,007.80x = 1,660,511.70 × 910,177.80 - Step 4: Simplify right side
1,107,007.80x = 1,511,360,885,980.26 - Step 5: Solve for x
x = 1,511,360,885,980.26/1,107,007.80 - Step 6: Final answer
x = 1,365,266.70
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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.