Finding the Fourth Proportional to 1,984,448.08, 2,976,661.02 and 722,275.66
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Solution
The fourth proportional to 1,984,448.08, 2,976,661.02 and 722,275.66 is: 1,083,409.45
Step by Step Solution
- Step 1: Write the proportion equation
1,984,448.08 : 2,976,661.02 = 722,275.66 : x - Step 2: Convert to fraction form
1,984,448.08/2,976,661.02 = 722,275.66/x - Step 3: Cross multiply
1,984,448.08x = 2,976,661.02 × 722,275.66 - Step 4: Simplify right side
1,984,448.08x = 2,149,969,802,816.77 - Step 5: Solve for x
x = 2,149,969,802,816.77/1,984,448.08 - Step 6: Final answer
x = 1,083,409.45
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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.