Finding the Fourth Proportional to 4,868,197.14, 6,712,004.61 and 3,122,789.16
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Solution
The fourth proportional to 4,868,197.14, 6,712,004.61 and 3,122,789.16 is: 4,305,531.32
Step by Step Solution
- Step 1: Write the proportion equation
4,868,197.14 : 6,712,004.61 = 3,122,789.16 : x - Step 2: Convert to fraction form
4,868,197.14/6,712,004.61 = 3,122,789.16/x - Step 3: Cross multiply
4,868,197.14x = 6,712,004.61 × 3,122,789.16 - Step 4: Simplify right side
4,868,197.14x = 20,960,175,237,978.03 - Step 5: Solve for x
x = 20,960,175,237,978.03/4,868,197.14 - Step 6: Final answer
x = 4,305,531.32
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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.