Finding the Fourth Proportional to 4,891,911.18, 6,750,849.55 and 2,716,454.13
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Solution
The fourth proportional to 4,891,911.18, 6,750,849.55 and 2,716,454.13 is: 3,748,713.43
Step by Step Solution
- Step 1: Write the proportion equation
4,891,911.18 : 6,750,849.55 = 2,716,454.13 : x - Step 2: Convert to fraction form
4,891,911.18/6,750,849.55 = 2,716,454.13/x - Step 3: Cross multiply
4,891,911.18x = 6,750,849.55 × 2,716,454.13 - Step 4: Simplify right side
4,891,911.18x = 18,338,373,141,106.14 - Step 5: Solve for x
x = 18,338,373,141,106.14/4,891,911.18 - Step 6: Final answer
x = 3,748,713.43
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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.