Finding the Fourth Proportional to 1,943,816.40, 2,917,036.80 and 1,268,252.10
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Solution
The fourth proportional to 1,943,816.40, 2,917,036.80 and 1,268,252.10 is: 1,903,234.30
Step by Step Solution
- Step 1: Write the proportion equation
1,943,816.40 : 2,917,036.80 = 1,268,252.10 : x - Step 2: Convert to fraction form
1,943,816.40/2,917,036.80 = 1,268,252.10/x - Step 3: Cross multiply
1,943,816.40x = 2,917,036.80 × 1,268,252.10 - Step 4: Simplify right side
1,943,816.40x = 3,699,538,047,377.28 - Step 5: Solve for x
x = 3,699,538,047,377.28/1,943,816.40 - Step 6: Final answer
x = 1,903,234.30
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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.