Finding the Fourth Proportional to 5,221,451.13, 7,833,780.21 and 2,492,480.84
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Solution
The fourth proportional to 5,221,451.13, 7,833,780.21 and 2,492,480.84 is: 3,739,486.70
Step by Step Solution
- Step 1: Write the proportion equation
5,221,451.13 : 7,833,780.21 = 2,492,480.84 : x - Step 2: Convert to fraction form
5,221,451.13/7,833,780.21 = 2,492,480.84/x - Step 3: Cross multiply
5,221,451.13x = 7,833,780.21 × 2,492,480.84 - Step 4: Simplify right side
5,221,451.13x = 19,525,547,078,196.18 - Step 5: Solve for x
x = 19,525,547,078,196.18/5,221,451.13 - Step 6: Final answer
x = 3,739,486.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.