Finding the Fourth Proportional to 3,130,957.14, 4,320,657.99 and 1,754,284.38
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Solution
The fourth proportional to 3,130,957.14, 4,320,657.99 and 1,754,284.38 is: 2,420,877.22
Step by Step Solution
- Step 1: Write the proportion equation
3,130,957.14 : 4,320,657.99 = 1,754,284.38 : x - Step 2: Convert to fraction form
3,130,957.14/4,320,657.99 = 1,754,284.38/x - Step 3: Cross multiply
3,130,957.14x = 4,320,657.99 × 1,754,284.38 - Step 4: Simplify right side
3,130,957.14x = 7,579,662,823,179.20 - Step 5: Solve for x
x = 7,579,662,823,179.20/3,130,957.14 - Step 6: Final answer
x = 2,420,877.22
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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.