Finding the Fourth Proportional to 5,657,758.35, 7,807,700.55 and 3,079,432.98
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Solution
The fourth proportional to 5,657,758.35, 7,807,700.55 and 3,079,432.98 is: 4,249,614.26
Step by Step Solution
- Step 1: Write the proportion equation
5,657,758.35 : 7,807,700.55 = 3,079,432.98 : x - Step 2: Convert to fraction form
5,657,758.35/7,807,700.55 = 3,079,432.98/x - Step 3: Cross multiply
5,657,758.35x = 7,807,700.55 × 3,079,432.98 - Step 4: Simplify right side
5,657,758.35x = 24,043,290,571,634.14 - Step 5: Solve for x
x = 24,043,290,571,634.14/5,657,758.35 - Step 6: Final answer
x = 4,249,614.26
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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.