Finding the Fourth Proportional to 4,486,415.68, 6,191,222.14 and 2,449,225.18
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Solution
The fourth proportional to 4,486,415.68, 6,191,222.14 and 2,449,225.18 is: 3,379,913.55
Step by Step Solution
- Step 1: Write the proportion equation
4,486,415.68 : 6,191,222.14 = 2,449,225.18 : x - Step 2: Convert to fraction form
4,486,415.68/6,191,222.14 = 2,449,225.18/x - Step 3: Cross multiply
4,486,415.68x = 6,191,222.14 × 2,449,225.18 - Step 4: Simplify right side
4,486,415.68x = 15,163,697,160,261.49 - Step 5: Solve for x
x = 15,163,697,160,261.49/4,486,415.68 - Step 6: Final answer
x = 3,379,913.55
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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.