Finding the Fourth Proportional to 2,078,305.44, 2,867,842.56 and 1,206,970.08
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Solution
The fourth proportional to 2,078,305.44, 2,867,842.56 and 1,206,970.08 is: 1,665,491.56
Step by Step Solution
- Step 1: Write the proportion equation
2,078,305.44 : 2,867,842.56 = 1,206,970.08 : x - Step 2: Convert to fraction form
2,078,305.44/2,867,842.56 = 1,206,970.08/x - Step 3: Cross multiply
2,078,305.44x = 2,867,842.56 × 1,206,970.08 - Step 4: Simplify right side
2,078,305.44x = 3,461,400,164,070.61 - Step 5: Solve for x
x = 3,461,400,164,070.61/2,078,305.44 - Step 6: Final answer
x = 1,665,491.56
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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.