Finding the Fourth Proportional to 1,993,243.32, 2,750,637.42 and 1,087,831.80
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Solution
The fourth proportional to 1,993,243.32, 2,750,637.42 and 1,087,831.80 is: 1,501,186.95
Step by Step Solution
- Step 1: Write the proportion equation
1,993,243.32 : 2,750,637.42 = 1,087,831.80 : x - Step 2: Convert to fraction form
1,993,243.32/2,750,637.42 = 1,087,831.80/x - Step 3: Cross multiply
1,993,243.32x = 2,750,637.42 × 1,087,831.80 - Step 4: Simplify right side
1,993,243.32x = 2,992,230,855,745.96 - Step 5: Solve for x
x = 2,992,230,855,745.96/1,993,243.32 - Step 6: Final answer
x = 1,501,186.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.