Finding the Fourth Proportional to 1,482,887.70, 2,224,331.55 and 1,325,423.70
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Solution
The fourth proportional to 1,482,887.70, 2,224,331.55 and 1,325,423.70 is: 1,988,135.55
Step by Step Solution
- Step 1: Write the proportion equation
1,482,887.70 : 2,224,331.55 = 1,325,423.70 : x - Step 2: Convert to fraction form
1,482,887.70/2,224,331.55 = 1,325,423.70/x - Step 3: Cross multiply
1,482,887.70x = 2,224,331.55 × 1,325,423.70 - Step 4: Simplify right side
1,482,887.70x = 2,948,181,753,027.74 - Step 5: Solve for x
x = 2,948,181,753,027.74/1,482,887.70 - Step 6: Final answer
x = 1,988,135.55
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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.