Finding the Fourth Proportional to 5,115,353.47, 7,058,685.33 and 2,823,366.53
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Solution
The fourth proportional to 5,115,353.47, 7,058,685.33 and 2,823,366.53 is: 3,895,968.49
Step by Step Solution
- Step 1: Write the proportion equation
5,115,353.47 : 7,058,685.33 = 2,823,366.53 : x - Step 2: Convert to fraction form
5,115,353.47/7,058,685.33 = 2,823,366.53/x - Step 3: Cross multiply
5,115,353.47x = 7,058,685.33 × 2,823,366.53 - Step 4: Simplify right side
5,115,353.47x = 19,929,255,924,170.72 - Step 5: Solve for x
x = 19,929,255,924,170.72/5,115,353.47 - Step 6: Final answer
x = 3,895,968.49
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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.