Finding the Fourth Proportional to 3,697,988.12, 5,537,014.32 and 2,415,419.56
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Solution
The fourth proportional to 3,697,988.12, 5,537,014.32 and 2,415,419.56 is: 3,616,618.62
Step by Step Solution
- Step 1: Write the proportion equation
3,697,988.12 : 5,537,014.32 = 2,415,419.56 : x - Step 2: Convert to fraction form
3,697,988.12/5,537,014.32 = 2,415,419.56/x - Step 3: Cross multiply
3,697,988.12x = 5,537,014.32 × 2,415,419.56 - Step 4: Simplify right side
3,697,988.12x = 13,374,212,692,528.10 - Step 5: Solve for x
x = 13,374,212,692,528.10/3,697,988.12 - Step 6: Final answer
x = 3,616,618.62
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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.