Finding the Fourth Proportional to 3,563,921.88, 4,918,275.99 and 1,932,384.24
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Solution
The fourth proportional to 3,563,921.88, 4,918,275.99 and 1,932,384.24 is: 2,666,724.84
Step by Step Solution
- Step 1: Write the proportion equation
3,563,921.88 : 4,918,275.99 = 1,932,384.24 : x - Step 2: Convert to fraction form
3,563,921.88/4,918,275.99 = 1,932,384.24/x - Step 3: Cross multiply
3,563,921.88x = 4,918,275.99 × 1,932,384.24 - Step 4: Simplify right side
3,563,921.88x = 9,503,999,011,046.40 - Step 5: Solve for x
x = 9,503,999,011,046.40/3,563,921.88 - Step 6: Final answer
x = 2,666,724.84
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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.