Finding the Fourth Proportional to 4,656,674.58, 6,420,713.18 and 3,187,290.98
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Solution
The fourth proportional to 4,656,674.58, 6,420,713.18 and 3,187,290.98 is: 4,394,698.59
Step by Step Solution
- Step 1: Write the proportion equation
4,656,674.58 : 6,420,713.18 = 3,187,290.98 : x - Step 2: Convert to fraction form
4,656,674.58/6,420,713.18 = 3,187,290.98/x - Step 3: Cross multiply
4,656,674.58x = 6,420,713.18 × 3,187,290.98 - Step 4: Simplify right side
4,656,674.58x = 20,464,681,203,781.12 - Step 5: Solve for x
x = 20,464,681,203,781.12/4,656,674.58 - Step 6: Final answer
x = 4,394,698.59
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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.