Finding the Fourth Proportional to 2,862,808.13, 3,950,683.42 and 1,639,132.42
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Solution
The fourth proportional to 2,862,808.13, 3,950,683.42 and 1,639,132.42 is: 2,262,007.43
Step by Step Solution
- Step 1: Write the proportion equation
2,862,808.13 : 3,950,683.42 = 1,639,132.42 : x - Step 2: Convert to fraction form
2,862,808.13/3,950,683.42 = 1,639,132.42/x - Step 3: Cross multiply
2,862,808.13x = 3,950,683.42 × 1,639,132.42 - Step 4: Simplify right side
2,862,808.13x = 6,475,693,274,878.48 - Step 5: Solve for x
x = 6,475,693,274,878.48/2,862,808.13 - Step 6: Final answer
x = 2,262,007.43
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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.