Finding the Fourth Proportional to 5,681,189.97, 7,839,920.88 and 3,102,881.13
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Solution
The fourth proportional to 5,681,189.97, 7,839,920.88 and 3,102,881.13 is: 4,281,909.72
Step by Step Solution
- Step 1: Write the proportion equation
5,681,189.97 : 7,839,920.88 = 3,102,881.13 : x - Step 2: Convert to fraction form
5,681,189.97/7,839,920.88 = 3,102,881.13/x - Step 3: Cross multiply
5,681,189.97x = 7,839,920.88 × 3,102,881.13 - Step 4: Simplify right side
5,681,189.97x = 24,326,342,559,244.99 - Step 5: Solve for x
x = 24,326,342,559,244.99/5,681,189.97 - Step 6: Final answer
x = 4,281,909.72
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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.