Finding the Fourth Proportional to 2,108,249.18, 2,909,349.12 and 1,141,371.62
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Solution
The fourth proportional to 2,108,249.18, 2,909,349.12 and 1,141,371.62 is: 1,575,074.02
Step by Step Solution
- Step 1: Write the proportion equation
2,108,249.18 : 2,909,349.12 = 1,141,371.62 : x - Step 2: Convert to fraction form
2,108,249.18/2,909,349.12 = 1,141,371.62/x - Step 3: Cross multiply
2,108,249.18x = 2,909,349.12 × 1,141,371.62 - Step 4: Simplify right side
2,108,249.18x = 3,320,648,518,239.97 - Step 5: Solve for x
x = 3,320,648,518,239.97/2,108,249.18 - Step 6: Final answer
x = 1,575,074.02
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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.