Finding the Fourth Proportional to 1,670,990.64, 2,505,708.36 and 605,989.68
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Solution
The fourth proportional to 1,670,990.64, 2,505,708.36 and 605,989.68 is: 908,702.52
Step by Step Solution
- Step 1: Write the proportion equation
1,670,990.64 : 2,505,708.36 = 605,989.68 : x - Step 2: Convert to fraction form
1,670,990.64/2,505,708.36 = 605,989.68/x - Step 3: Cross multiply
1,670,990.64x = 2,505,708.36 × 605,989.68 - Step 4: Simplify right side
1,670,990.64x = 1,518,433,407,249.73 - Step 5: Solve for x
x = 1,518,433,407,249.73/1,670,990.64 - Step 6: Final answer
x = 908,702.52
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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.