Finding the Fourth Proportional to 2,028,120.39, 2,798,807.04 and 1,110,409.02
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Solution
The fourth proportional to 2,028,120.39, 2,798,807.04 and 1,110,409.02 is: 1,532,364.94
Step by Step Solution
- Step 1: Write the proportion equation
2,028,120.39 : 2,798,807.04 = 1,110,409.02 : x - Step 2: Convert to fraction form
2,028,120.39/2,798,807.04 = 1,110,409.02/x - Step 3: Cross multiply
2,028,120.39x = 2,798,807.04 × 1,110,409.02 - Step 4: Simplify right side
2,028,120.39x = 3,107,820,582,455.50 - Step 5: Solve for x
x = 3,107,820,582,455.50/2,028,120.39 - Step 6: Final answer
x = 1,532,364.94
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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.