Finding the Fourth Proportional to 5,122,548.52, 7,069,138.84 and 2,799,487.24
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Solution
The fourth proportional to 5,122,548.52, 7,069,138.84 and 2,799,487.24 is: 3,863,304.35
Step by Step Solution
- Step 1: Write the proportion equation
5,122,548.52 : 7,069,138.84 = 2,799,487.24 : x - Step 2: Convert to fraction form
5,122,548.52/7,069,138.84 = 2,799,487.24/x - Step 3: Cross multiply
5,122,548.52x = 7,069,138.84 × 2,799,487.24 - Step 4: Simplify right side
5,122,548.52x = 19,789,963,980,368.40 - Step 5: Solve for x
x = 19,789,963,980,368.40/5,122,548.52 - Step 6: Final answer
x = 3,863,304.35
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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.