Finding the Fourth Proportional to 1,840,776.99, 2,540,387.63 and 1,013,850.39
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Solution
The fourth proportional to 1,840,776.99, 2,540,387.63 and 1,013,850.39 is: 1,399,177.09
Step by Step Solution
- Step 1: Write the proportion equation
1,840,776.99 : 2,540,387.63 = 1,013,850.39 : x - Step 2: Convert to fraction form
1,840,776.99/2,540,387.63 = 1,013,850.39/x - Step 3: Cross multiply
1,840,776.99x = 2,540,387.63 × 1,013,850.39 - Step 4: Simplify right side
1,840,776.99x = 2,575,572,984,357.42 - Step 5: Solve for x
x = 2,575,572,984,357.42/1,840,776.99 - Step 6: Final answer
x = 1,399,177.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.