Finding the Fourth Proportional to 5,187,345.49, 7,779,660.04 and 1,543,093.48
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Solution
The fourth proportional to 5,187,345.49, 7,779,660.04 and 1,543,093.48 is: 2,314,236.19
Step by Step Solution
- Step 1: Write the proportion equation
5,187,345.49 : 7,779,660.04 = 1,543,093.48 : x - Step 2: Convert to fraction form
5,187,345.49/7,779,660.04 = 1,543,093.48/x - Step 3: Cross multiply
5,187,345.49x = 7,779,660.04 × 1,543,093.48 - Step 4: Simplify right side
5,187,345.49x = 12,004,742,684,340.54 - Step 5: Solve for x
x = 12,004,742,684,340.54/5,187,345.49 - Step 6: Final answer
x = 2,314,236.19
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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.