Finding the Fourth Proportional to 5,253,485.36, 7,249,813.56 and 2,839,037.36
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Solution
The fourth proportional to 5,253,485.36, 7,249,813.56 and 2,839,037.36 is: 3,917,873.59
Step by Step Solution
- Step 1: Write the proportion equation
5,253,485.36 : 7,249,813.56 = 2,839,037.36 : x - Step 2: Convert to fraction form
5,253,485.36/7,249,813.56 = 2,839,037.36/x - Step 3: Cross multiply
5,253,485.36x = 7,249,813.56 × 2,839,037.36 - Step 4: Simplify right side
5,253,485.36x = 20,582,491,549,874.60 - Step 5: Solve for x
x = 20,582,491,549,874.60/5,253,485.36 - Step 6: Final answer
x = 3,917,873.59
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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.