Finding the Fourth Proportional to 2,391,868.08, 3,584,257.80 and 1,968,412.95
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Solution
The fourth proportional to 2,391,868.08, 3,584,257.80 and 1,968,412.95 is: 2,949,702.59
Step by Step Solution
- Step 1: Write the proportion equation
2,391,868.08 : 3,584,257.80 = 1,968,412.95 : x - Step 2: Convert to fraction form
2,391,868.08/3,584,257.80 = 1,968,412.95/x - Step 3: Cross multiply
2,391,868.08x = 3,584,257.80 × 1,968,412.95 - Step 4: Simplify right side
2,391,868.08x = 7,055,299,469,658.51 - Step 5: Solve for x
x = 7,055,299,469,658.51/2,391,868.08 - Step 6: Final answer
x = 2,949,702.59
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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.