Finding the Fourth Proportional to 2,186,313.99, 3,015,966.56 and 1,778,871.03
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Solution
The fourth proportional to 2,186,313.99, 3,015,966.56 and 1,778,871.03 is: 2,453,908.98
Step by Step Solution
- Step 1: Write the proportion equation
2,186,313.99 : 3,015,966.56 = 1,778,871.03 : x - Step 2: Convert to fraction form
2,186,313.99/3,015,966.56 = 1,778,871.03/x - Step 3: Cross multiply
2,186,313.99x = 3,015,966.56 × 1,778,871.03 - Step 4: Simplify right side
2,186,313.99x = 5,365,015,532,138.40 - Step 5: Solve for x
x = 5,365,015,532,138.40/2,186,313.99 - Step 6: Final answer
x = 2,453,908.98
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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.