Finding the Fourth Proportional to 2,702,991.99, 3,730,130.40 and 1,479,296.79
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Solution
The fourth proportional to 2,702,991.99, 3,730,130.40 and 1,479,296.79 is: 2,041,430.36
Step by Step Solution
- Step 1: Write the proportion equation
2,702,991.99 : 3,730,130.40 = 1,479,296.79 : x - Step 2: Convert to fraction form
2,702,991.99/3,730,130.40 = 1,479,296.79/x - Step 3: Cross multiply
2,702,991.99x = 3,730,130.40 × 1,479,296.79 - Step 4: Simplify right side
2,702,991.99x = 5,517,969,919,604.93 - Step 5: Solve for x
x = 5,517,969,919,604.93/2,702,991.99 - Step 6: Final answer
x = 2,041,430.36
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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.