Finding the Fourth Proportional to 4,619,809.51, 6,927,401.49 and 1,424,520.49
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Solution
The fourth proportional to 4,619,809.51, 6,927,401.49 and 1,424,520.49 is: 2,136,067.59
Step by Step Solution
- Step 1: Write the proportion equation
4,619,809.51 : 6,927,401.49 = 1,424,520.49 : x - Step 2: Convert to fraction form
4,619,809.51/6,927,401.49 = 1,424,520.49/x - Step 3: Cross multiply
4,619,809.51x = 6,927,401.49 × 1,424,520.49 - Step 4: Simplify right side
4,619,809.51x = 9,868,225,364,961.53 - Step 5: Solve for x
x = 9,868,225,364,961.53/4,619,809.51 - Step 6: Final answer
x = 2,136,067.59
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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.