Finding the Fourth Proportional to 2,681,794.13, 4,025,219.20 and 977,584.64
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Solution
The fourth proportional to 2,681,794.13, 4,025,219.20 and 977,584.64 is: 1,467,298.48
Step by Step Solution
- Step 1: Write the proportion equation
2,681,794.13 : 4,025,219.20 = 977,584.64 : x - Step 2: Convert to fraction form
2,681,794.13/4,025,219.20 = 977,584.64/x - Step 3: Cross multiply
2,681,794.13x = 4,025,219.20 × 977,584.64 - Step 4: Simplify right side
2,681,794.13x = 3,934,992,439,983.03 - Step 5: Solve for x
x = 3,934,992,439,983.03/2,681,794.13 - Step 6: Final answer
x = 1,467,298.48
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1.5x scale
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.