Finding the Fourth Proportional to 1,811,004.32, 2,498,145.28 and 1,130,759.84
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Solution
The fourth proportional to 1,811,004.32, 2,498,145.28 and 1,130,759.84 is: 1,559,798.80
Step by Step Solution
- Step 1: Write the proportion equation
1,811,004.32 : 2,498,145.28 = 1,130,759.84 : x - Step 2: Convert to fraction form
1,811,004.32/2,498,145.28 = 1,130,759.84/x - Step 3: Cross multiply
1,811,004.32x = 2,498,145.28 × 1,130,759.84 - Step 4: Simplify right side
1,811,004.32x = 2,824,802,357,109.56 - Step 5: Solve for x
x = 2,824,802,357,109.56/1,811,004.32 - Step 6: Final answer
x = 1,559,798.80
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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.