Finding the Fourth Proportional to 1,692,869.62, 2,539,041.96 and 494,470.12
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Solution
The fourth proportional to 1,692,869.62, 2,539,041.96 and 494,470.12 is: 741,628.52
Step by Step Solution
- Step 1: Write the proportion equation
1,692,869.62 : 2,539,041.96 = 494,470.12 : x - Step 2: Convert to fraction form
1,692,869.62/2,539,041.96 = 494,470.12/x - Step 3: Cross multiply
1,692,869.62x = 2,539,041.96 × 494,470.12 - Step 4: Simplify right side
1,692,869.62x = 1,255,480,382,646.24 - Step 5: Solve for x
x = 1,255,480,382,646.24/1,692,869.62 - Step 6: Final answer
x = 741,628.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.