Finding the Fourth Proportional to 1,577,033.49, 2,365,549.99 and 378,955.81
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Solution
The fourth proportional to 1,577,033.49, 2,365,549.99 and 378,955.81 is: 568,433.65
Step by Step Solution
- Step 1: Write the proportion equation
1,577,033.49 : 2,365,549.99 = 378,955.81 : x - Step 2: Convert to fraction form
1,577,033.49/2,365,549.99 = 378,955.81/x - Step 3: Cross multiply
1,577,033.49x = 2,365,549.99 × 378,955.81 - Step 4: Simplify right side
1,577,033.49x = 896,438,902,266.97 - Step 5: Solve for x
x = 896,438,902,266.97/1,577,033.49 - Step 6: Final answer
x = 568,433.65
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1.5x scale
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.