Finding the Fourth Proportional to 6,880,393.98, 10,320,984.63 and 2,088,239.58
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Solution
The fourth proportional to 6,880,393.98, 10,320,984.63 and 2,088,239.58 is: 3,132,478.85
Step by Step Solution
- Step 1: Write the proportion equation
6,880,393.98 : 10,320,984.63 = 2,088,239.58 : x - Step 2: Convert to fraction form
6,880,393.98/10,320,984.63 = 2,088,239.58/x - Step 3: Cross multiply
6,880,393.98x = 10,320,984.63 × 2,088,239.58 - Step 4: Simplify right side
6,880,393.98x = 21,552,688,608,937.66 - Step 5: Solve for x
x = 21,552,688,608,937.66/6,880,393.98 - Step 6: Final answer
x = 3,132,478.85
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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.