Finding the Fourth Proportional to 1,624,748.13, 2,242,222.41 and 899,595.75
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Solution
The fourth proportional to 1,624,748.13, 2,242,222.41 and 899,595.75 is: 1,241,480.89
Step by Step Solution
- Step 1: Write the proportion equation
1,624,748.13 : 2,242,222.41 = 899,595.75 : x - Step 2: Convert to fraction form
1,624,748.13/2,242,222.41 = 899,595.75/x - Step 3: Cross multiply
1,624,748.13x = 2,242,222.41 × 899,595.75 - Step 4: Simplify right side
1,624,748.13x = 2,017,093,750,590.76 - Step 5: Solve for x
x = 2,017,093,750,590.76/1,624,748.13 - Step 6: Final answer
x = 1,241,480.89
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1.5x scale
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.