Finding the Fourth Proportional to 2,239,567.80, 3,090,649.98 and 1,259,525.58
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Solution
The fourth proportional to 2,239,567.80, 3,090,649.98 and 1,259,525.58 is: 1,738,171.40
Step by Step Solution
- Step 1: Write the proportion equation
2,239,567.80 : 3,090,649.98 = 1,259,525.58 : x - Step 2: Convert to fraction form
2,239,567.80/3,090,649.98 = 1,259,525.58/x - Step 3: Cross multiply
2,239,567.80x = 3,090,649.98 × 1,259,525.58 - Step 4: Simplify right side
2,239,567.80x = 3,892,752,708,636.49 - Step 5: Solve for x
x = 3,892,752,708,636.49/2,239,567.80 - Step 6: Final answer
x = 1,738,171.40
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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.