Finding the Fourth Proportional to 2,389,420.97, 3,297,406.95 and 1,301,700.47
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Solution
The fourth proportional to 2,389,420.97, 3,297,406.95 and 1,301,700.47 is: 1,796,349.92
Step by Step Solution
- Step 1: Write the proportion equation
2,389,420.97 : 3,297,406.95 = 1,301,700.47 : x - Step 2: Convert to fraction form
2,389,420.97/3,297,406.95 = 1,301,700.47/x - Step 3: Cross multiply
2,389,420.97x = 3,297,406.95 × 1,301,700.47 - Step 4: Simplify right side
2,389,420.97x = 4,292,236,160,109.23 - Step 5: Solve for x
x = 4,292,236,160,109.23/2,389,420.97 - Step 6: Final answer
x = 1,796,349.92
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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.