Finding the Fourth Proportional to 5,454,271.49, 8,181,531.77 and 1,616,021.84
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Solution
The fourth proportional to 5,454,271.49, 8,181,531.77 and 1,616,021.84 is: 2,424,069.66
Step by Step Solution
- Step 1: Write the proportion equation
5,454,271.49 : 8,181,531.77 = 1,616,021.84 : x - Step 2: Convert to fraction form
5,454,271.49/8,181,531.77 = 1,616,021.84/x - Step 3: Cross multiply
5,454,271.49x = 8,181,531.77 × 1,616,021.84 - Step 4: Simplify right side
5,454,271.49x = 13,221,534,037,347.58 - Step 5: Solve for x
x = 13,221,534,037,347.58/5,454,271.49 - Step 6: Final answer
x = 2,424,069.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.