Finding the Fourth Proportional to 2,047,585.25, 2,825,645.45 and 1,129,853.07
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Solution
The fourth proportional to 2,047,585.25, 2,825,645.45 and 1,129,853.07 is: 1,559,184.99
Step by Step Solution
- Step 1: Write the proportion equation
2,047,585.25 : 2,825,645.45 = 1,129,853.07 : x - Step 2: Convert to fraction form
2,047,585.25/2,825,645.45 = 1,129,853.07/x - Step 3: Cross multiply
2,047,585.25x = 2,825,645.45 × 1,129,853.07 - Step 4: Simplify right side
2,047,585.25x = 3,192,564,180,764.77 - Step 5: Solve for x
x = 3,192,564,180,764.77/2,047,585.25 - Step 6: Final answer
x = 1,559,184.99
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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.