Finding the Fourth Proportional to 1,873,871.99, 2,585,944.21 and 1,014,432.25
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Solution
The fourth proportional to 1,873,871.99, 2,585,944.21 and 1,014,432.25 is: 1,399,916.97
Step by Step Solution
- Step 1: Write the proportion equation
1,873,871.99 : 2,585,944.21 = 1,014,432.25 : x - Step 2: Convert to fraction form
1,873,871.99/2,585,944.21 = 1,014,432.25/x - Step 3: Cross multiply
1,873,871.99x = 2,585,944.21 × 1,014,432.25 - Step 4: Simplify right side
1,873,871.99x = 2,623,265,190,395.05 - Step 5: Solve for x
x = 2,623,265,190,395.05/1,873,871.99 - Step 6: Final answer
x = 1,399,916.97
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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.