Finding the Fourth Proportional to 2,154,716.98, 2,973,542.40 and 1,174,656.67
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Solution
The fourth proportional to 2,154,716.98, 2,973,542.40 and 1,174,656.67 is: 1,621,044.18
Step by Step Solution
- Step 1: Write the proportion equation
2,154,716.98 : 2,973,542.40 = 1,174,656.67 : x - Step 2: Convert to fraction form
2,154,716.98/2,973,542.40 = 1,174,656.67/x - Step 3: Cross multiply
2,154,716.98x = 2,973,542.40 × 1,174,656.67 - Step 4: Simplify right side
2,154,716.98x = 3,492,891,413,687.81 - Step 5: Solve for x
x = 3,492,891,413,687.81/2,154,716.98 - Step 6: Final answer
x = 1,621,044.18
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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.