Finding the Fourth Proportional to 5,221,440.39, 7,833,764.01 and 2,492,470.08
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Solution
The fourth proportional to 5,221,440.39, 7,833,764.01 and 2,492,470.08 is: 3,739,470.52
Step by Step Solution
- Step 1: Write the proportion equation
5,221,440.39 : 7,833,764.01 = 2,492,470.08 : x - Step 2: Convert to fraction form
5,221,440.39/7,833,764.01 = 2,492,470.08/x - Step 3: Cross multiply
5,221,440.39x = 7,833,764.01 × 2,492,470.08 - Step 4: Simplify right side
5,221,440.39x = 19,525,422,408,705.82 - Step 5: Solve for x
x = 19,525,422,408,705.82/5,221,440.39 - Step 6: Final answer
x = 3,739,470.52
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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.