Finding the Fourth Proportional to 4,523,438.24, 6,242,264.72 and 2,486,247.20
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Solution
The fourth proportional to 4,523,438.24, 6,242,264.72 and 2,486,247.20 is: 3,430,977.14
Step by Step Solution
- Step 1: Write the proportion equation
4,523,438.24 : 6,242,264.72 = 2,486,247.20 : x - Step 2: Convert to fraction form
4,523,438.24/6,242,264.72 = 2,486,247.20/x - Step 3: Cross multiply
4,523,438.24x = 6,242,264.72 × 2,486,247.20 - Step 4: Simplify right side
4,523,438.24x = 15,519,813,181,758.79 - Step 5: Solve for x
x = 15,519,813,181,758.79/4,523,438.24 - Step 6: Final answer
x = 3,430,977.14
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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.