Finding the Fourth Proportional to 2,660,712.42, 3,671,786.58 and 1,514,792.70
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Solution
The fourth proportional to 2,660,712.42, 3,671,786.58 and 1,514,792.70 is: 2,090,415.88
Step by Step Solution
- Step 1: Write the proportion equation
2,660,712.42 : 3,671,786.58 = 1,514,792.70 : x - Step 2: Convert to fraction form
2,660,712.42/3,671,786.58 = 1,514,792.70/x - Step 3: Cross multiply
2,660,712.42x = 3,671,786.58 × 1,514,792.70 - Step 4: Simplify right side
2,660,712.42x = 5,561,995,507,341.97 - Step 5: Solve for x
x = 5,561,995,507,341.97/2,660,712.42 - Step 6: Final answer
x = 2,090,415.88
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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.