Finding the Fourth Proportional to 5,694,940.12, 8,539,752.54 and 3,299,470.12
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Solution
The fourth proportional to 5,694,940.12, 8,539,752.54 and 3,299,470.12 is: 4,947,665.43
Step by Step Solution
- Step 1: Write the proportion equation
5,694,940.12 : 8,539,752.54 = 3,299,470.12 : x - Step 2: Convert to fraction form
5,694,940.12/8,539,752.54 = 3,299,470.12/x - Step 3: Cross multiply
5,694,940.12x = 8,539,752.54 × 3,299,470.12 - Step 4: Simplify right side
5,694,940.12x = 28,176,658,337,924.10 - Step 5: Solve for x
x = 28,176,658,337,924.10/5,694,940.12 - Step 6: Final answer
x = 4,947,665.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.