Finding the Fourth Proportional to 3,080,788.13, 4,251,160.33 and 1,703,913.07
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Solution
The fourth proportional to 3,080,788.13, 4,251,160.33 and 1,703,913.07 is: 2,351,219.02
Step by Step Solution
- Step 1: Write the proportion equation
3,080,788.13 : 4,251,160.33 = 1,703,913.07 : x - Step 2: Convert to fraction form
3,080,788.13/4,251,160.33 = 1,703,913.07/x - Step 3: Cross multiply
3,080,788.13x = 4,251,160.33 × 1,703,913.07 - Step 4: Simplify right side
3,080,788.13x = 7,243,607,642,035.76 - Step 5: Solve for x
x = 7,243,607,642,035.76/3,080,788.13 - Step 6: Final answer
x = 2,351,219.02
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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.