Finding the Fourth Proportional to 2,174,134.20, 3,000,204.99 and 1,207,326.30
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Solution
The fourth proportional to 2,174,134.20, 3,000,204.99 and 1,207,326.30 is: 1,666,054.65
Step by Step Solution
- Step 1: Write the proportion equation
2,174,134.20 : 3,000,204.99 = 1,207,326.30 : x - Step 2: Convert to fraction form
2,174,134.20/3,000,204.99 = 1,207,326.30/x - Step 3: Cross multiply
2,174,134.20x = 3,000,204.99 × 1,207,326.30 - Step 4: Simplify right side
2,174,134.20x = 3,622,226,389,818.24 - Step 5: Solve for x
x = 3,622,226,389,818.24/2,174,134.20 - Step 6: Final answer
x = 1,666,054.65
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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.