Finding the Fourth Proportional to 1,769,756.49, 2,442,451.23 and 1,081,831.02
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Solution
The fourth proportional to 1,769,756.49, 2,442,451.23 and 1,081,831.02 is: 1,493,041.29
Step by Step Solution
- Step 1: Write the proportion equation
1,769,756.49 : 2,442,451.23 = 1,081,831.02 : x - Step 2: Convert to fraction form
1,769,756.49/2,442,451.23 = 1,081,831.02/x - Step 3: Cross multiply
1,769,756.49x = 2,442,451.23 × 1,081,831.02 - Step 4: Simplify right side
1,769,756.49x = 2,642,319,505,451.15 - Step 5: Solve for x
x = 2,642,319,505,451.15/1,769,756.49 - Step 6: Final answer
x = 1,493,041.29
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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.