Finding the Fourth Proportional to 2,065,623.12, 2,850,589.55 and 1,135,417.02
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Solution
The fourth proportional to 2,065,623.12, 2,850,589.55 and 1,135,417.02 is: 1,566,891.78
Step by Step Solution
- Step 1: Write the proportion equation
2,065,623.12 : 2,850,589.55 = 1,135,417.02 : x - Step 2: Convert to fraction form
2,065,623.12/2,850,589.55 = 1,135,417.02/x - Step 3: Cross multiply
2,065,623.12x = 2,850,589.55 × 1,135,417.02 - Step 4: Simplify right side
2,065,623.12x = 3,236,607,886,427.06 - Step 5: Solve for x
x = 3,236,607,886,427.06/2,065,623.12 - Step 6: Final answer
x = 1,566,891.78
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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.