Finding the Fourth Proportional to 5,681,786.24, 7,840,812.80 and 3,103,466.24
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Solution
The fourth proportional to 5,681,786.24, 7,840,812.80 and 3,103,466.24 is: 4,282,754.89
Step by Step Solution
- Step 1: Write the proportion equation
5,681,786.24 : 7,840,812.80 = 3,103,466.24 : x - Step 2: Convert to fraction form
5,681,786.24/7,840,812.80 = 3,103,466.24/x - Step 3: Cross multiply
5,681,786.24x = 7,840,812.80 × 3,103,466.24 - Step 4: Simplify right side
5,681,786.24x = 24,333,697,818,959.88 - Step 5: Solve for x
x = 24,333,697,818,959.88/5,681,786.24 - Step 6: Final answer
x = 4,282,754.89
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1.5x scale
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.