Finding the Fourth Proportional to 3,130,979.88, 4,698,076.68 and 1,491,513.84
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Solution
The fourth proportional to 3,130,979.88, 4,698,076.68 and 1,491,513.84 is: 2,238,036.22
Step by Step Solution
- Step 1: Write the proportion equation
3,130,979.88 : 4,698,076.68 = 1,491,513.84 : x - Step 2: Convert to fraction form
3,130,979.88/4,698,076.68 = 1,491,513.84/x - Step 3: Cross multiply
3,130,979.88x = 4,698,076.68 × 1,491,513.84 - Step 4: Simplify right side
3,130,979.88x = 7,007,246,389,601.25 - Step 5: Solve for x
x = 7,007,246,389,601.25/3,130,979.88 - Step 6: Final answer
x = 2,238,036.22
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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.