Finding the Fourth Proportional to 2,492,271.99, 3,439,406.21 and 1,389,728.79
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Solution
The fourth proportional to 2,492,271.99, 3,439,406.21 and 1,389,728.79 is: 1,917,865.24
Step by Step Solution
- Step 1: Write the proportion equation
2,492,271.99 : 3,439,406.21 = 1,389,728.79 : x - Step 2: Convert to fraction form
2,492,271.99/3,439,406.21 = 1,389,728.79/x - Step 3: Cross multiply
2,492,271.99x = 3,439,406.21 × 1,389,728.79 - Step 4: Simplify right side
2,492,271.99x = 4,779,841,823,593.14 - Step 5: Solve for x
x = 4,779,841,823,593.14/2,492,271.99 - Step 6: Final answer
x = 1,917,865.24
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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.