Finding the Fourth Proportional to 5,540,223.48, 8,312,966.91 and 3,836,987.88
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Solution
The fourth proportional to 5,540,223.48, 8,312,966.91 and 3,836,987.88 is: 5,757,304.45
Step by Step Solution
- Step 1: Write the proportion equation
5,540,223.48 : 8,312,966.91 = 3,836,987.88 : x - Step 2: Convert to fraction form
5,540,223.48/8,312,966.91 = 3,836,987.88/x - Step 3: Cross multiply
5,540,223.48x = 8,312,966.91 × 3,836,987.88 - Step 4: Simplify right side
5,540,223.48x = 31,896,753,280,511.05 - Step 5: Solve for x
x = 31,896,753,280,511.05/5,540,223.48 - Step 6: Final answer
x = 5,757,304.45
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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.