Finding the Fourth Proportional to 1,563,637.38, 2,156,707.19 and 1,434,991.28
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Solution
The fourth proportional to 1,563,637.38, 2,156,707.19 and 1,434,991.28 is: 1,979,267.09
Step by Step Solution
- Step 1: Write the proportion equation
1,563,637.38 : 2,156,707.19 = 1,434,991.28 : x - Step 2: Convert to fraction form
1,563,637.38/2,156,707.19 = 1,434,991.28/x - Step 3: Cross multiply
1,563,637.38x = 2,156,707.19 × 1,434,991.28 - Step 4: Simplify right side
1,563,637.38x = 3,094,856,011,163.30 - Step 5: Solve for x
x = 3,094,856,011,163.30/1,563,637.38 - Step 6: Final answer
x = 1,979,267.09
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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.