Finding the Fourth Proportional to 3,652,985.55, 5,479,515.99 and 1,631,332.47
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Solution
The fourth proportional to 3,652,985.55, 5,479,515.99 and 1,631,332.47 is: 2,447,015.53
Step by Step Solution
- Step 1: Write the proportion equation
3,652,985.55 : 5,479,515.99 = 1,631,332.47 : x - Step 2: Convert to fraction form
3,652,985.55/5,479,515.99 = 1,631,332.47/x - Step 3: Cross multiply
3,652,985.55x = 5,479,515.99 × 1,631,332.47 - Step 4: Simplify right side
3,652,985.55x = 8,938,912,354,371.20 - Step 5: Solve for x
x = 8,938,912,354,371.20/3,652,985.55 - Step 6: Final answer
x = 2,447,015.53
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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.