Finding the Fourth Proportional to 2,628,032.80, 3,939,862.20 and 1,112,879.20
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Solution
The fourth proportional to 2,628,032.80, 3,939,862.20 and 1,112,879.20 is: 1,668,392.68
Step by Step Solution
- Step 1: Write the proportion equation
2,628,032.80 : 3,939,862.20 = 1,112,879.20 : x - Step 2: Convert to fraction form
2,628,032.80/3,939,862.20 = 1,112,879.20/x - Step 3: Cross multiply
2,628,032.80x = 3,939,862.20 × 1,112,879.20 - Step 4: Simplify right side
2,628,032.80x = 4,384,590,693,246.24 - Step 5: Solve for x
x = 4,384,590,693,246.24/2,628,032.80 - Step 6: Final answer
x = 1,668,392.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.