Finding the Fourth Proportional to 2,963,891.28, 4,090,189.86 and 1,605,764.28
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Solution
The fourth proportional to 2,963,891.28, 4,090,189.86 and 1,605,764.28 is: 2,215,965.48
Step by Step Solution
- Step 1: Write the proportion equation
2,963,891.28 : 4,090,189.86 = 1,605,764.28 : x - Step 2: Convert to fraction form
2,963,891.28/4,090,189.86 = 1,605,764.28/x - Step 3: Cross multiply
2,963,891.28x = 4,090,189.86 × 1,605,764.28 - Step 4: Simplify right side
2,963,891.28x = 6,567,880,775,606.20 - Step 5: Solve for x
x = 6,567,880,775,606.20/2,963,891.28 - Step 6: Final answer
x = 2,215,965.48
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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.