Finding the Fourth Proportional to 1,678,448.93, 2,517,671.12 and 779,399.05
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Solution
The fourth proportional to 1,678,448.93, 2,517,671.12 and 779,399.05 is: 1,169,097.52
Step by Step Solution
- Step 1: Write the proportion equation
1,678,448.93 : 2,517,671.12 = 779,399.05 : x - Step 2: Convert to fraction form
1,678,448.93/2,517,671.12 = 779,399.05/x - Step 3: Cross multiply
1,678,448.93x = 2,517,671.12 × 779,399.05 - Step 4: Simplify right side
1,678,448.93x = 1,962,270,479,140.44 - Step 5: Solve for x
x = 1,962,270,479,140.44/1,678,448.93 - Step 6: Final answer
x = 1,169,097.52
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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.