Finding the Fourth Proportional to 1,873,871.68, 2,585,943.72 and 1,014,431.88
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Solution
The fourth proportional to 1,873,871.68, 2,585,943.72 and 1,014,431.88 is: 1,399,916.43
Step by Step Solution
- Step 1: Write the proportion equation
1,873,871.68 : 2,585,943.72 = 1,014,431.88 : x - Step 2: Convert to fraction form
1,873,871.68/2,585,943.72 = 1,014,431.88/x - Step 3: Cross multiply
1,873,871.68x = 2,585,943.72 × 1,014,431.88 - Step 4: Simplify right side
1,873,871.68x = 2,623,263,749,453.79 - Step 5: Solve for x
x = 2,623,263,749,453.79/1,873,871.68 - Step 6: Final answer
x = 1,399,916.43
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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.