Finding the Fourth Proportional to 4,421,378.80, 6,101,067.16 and 2,487,596.68
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Solution
The fourth proportional to 4,421,378.80, 6,101,067.16 and 2,487,596.68 is: 3,432,638.35
Step by Step Solution
- Step 1: Write the proportion equation
4,421,378.80 : 6,101,067.16 = 2,487,596.68 : x - Step 2: Convert to fraction form
4,421,378.80/6,101,067.16 = 2,487,596.68/x - Step 3: Cross multiply
4,421,378.80x = 6,101,067.16 × 2,487,596.68 - Step 4: Simplify right side
4,421,378.80x = 15,176,994,411,673.03 - Step 5: Solve for x
x = 15,176,994,411,673.03/4,421,378.80 - Step 6: Final answer
x = 3,432,638.35
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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.