Finding the Fourth Proportional to 1,986,320.98, 2,979,625.98 and 832,409.28
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Solution
The fourth proportional to 1,986,320.98, 2,979,625.98 and 832,409.28 is: 1,248,674.47
Step by Step Solution
- Step 1: Write the proportion equation
1,986,320.98 : 2,979,625.98 = 832,409.28 : x - Step 2: Convert to fraction form
1,986,320.98/2,979,625.98 = 832,409.28/x - Step 3: Cross multiply
1,986,320.98x = 2,979,625.98 × 832,409.28 - Step 4: Simplify right side
1,986,320.98x = 2,480,268,297,620.92 - Step 5: Solve for x
x = 2,480,268,297,620.92/1,986,320.98 - Step 6: Final answer
x = 1,248,674.47
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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.