Finding the Fourth Proportional to 1,989,879.60, 2,746,023.48 and 1,084,453.68
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Solution
The fourth proportional to 1,989,879.60, 2,746,023.48 and 1,084,453.68 is: 1,496,540.43
Step by Step Solution
- Step 1: Write the proportion equation
1,989,879.60 : 2,746,023.48 = 1,084,453.68 : x - Step 2: Convert to fraction form
1,989,879.60/2,746,023.48 = 1,084,453.68/x - Step 3: Cross multiply
1,989,879.60x = 2,746,023.48 × 1,084,453.68 - Step 4: Simplify right side
1,989,879.60x = 2,977,935,268,252.41 - Step 5: Solve for x
x = 2,977,935,268,252.41/1,989,879.60 - Step 6: Final answer
x = 1,496,540.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.