Finding the Fourth Proportional to 4,996,229.13, 6,891,918.18 and 3,007,980.55
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Solution
The fourth proportional to 4,996,229.13, 6,891,918.18 and 3,007,980.55 is: 4,149,280.45
Step by Step Solution
- Step 1: Write the proportion equation
4,996,229.13 : 6,891,918.18 = 3,007,980.55 : x - Step 2: Convert to fraction form
4,996,229.13/6,891,918.18 = 3,007,980.55/x - Step 3: Cross multiply
4,996,229.13x = 6,891,918.18 × 3,007,980.55 - Step 4: Simplify right side
4,996,229.13x = 20,730,755,834,966.37 - Step 5: Solve for x
x = 20,730,755,834,966.37/4,996,229.13 - Step 6: Final answer
x = 4,149,280.45
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1.5x scale
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.