Finding the Fourth Proportional to 5,385,280.64, 7,431,567.68 and 2,970,832
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Solution
The fourth proportional to 5,385,280.64, 7,431,567.68 and 2,970,832 is: 4,099,682.18
Step by Step Solution
- Step 1: Write the proportion equation
5,385,280.64 : 7,431,567.68 = 2,970,832 : x - Step 2: Convert to fraction form
5,385,280.64/7,431,567.68 = 2,970,832/x - Step 3: Cross multiply
5,385,280.64x = 7,431,567.68 × 2,970,832 - Step 4: Simplify right side
5,385,280.64x = 22,077,939,073,909.76 - Step 5: Solve for x
x = 22,077,939,073,909.76/5,385,280.64 - Step 6: Final answer
x = 4,099,682.18
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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.