Finding the Fourth Proportional to 5,268,879.84, 7,271,008.56 and 2,854,426.08
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Solution
The fourth proportional to 5,268,879.84, 7,271,008.56 and 2,854,426.08 is: 3,939,083.28
Step by Step Solution
- Step 1: Write the proportion equation
5,268,879.84 : 7,271,008.56 = 2,854,426.08 : x - Step 2: Convert to fraction form
5,268,879.84/7,271,008.56 = 2,854,426.08/x - Step 3: Cross multiply
5,268,879.84x = 7,271,008.56 × 2,854,426.08 - Step 4: Simplify right side
5,268,879.84x = 20,754,556,461,567.25 - Step 5: Solve for x
x = 20,754,556,461,567.25/5,268,879.84 - Step 6: Final answer
x = 3,939,083.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.