Finding the Fourth Proportional to 1,624,724.90, 2,242,190.41 and 899,572.62
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Solution
The fourth proportional to 1,624,724.90, 2,242,190.41 and 899,572.62 is: 1,241,449.00
Step by Step Solution
- Step 1: Write the proportion equation
1,624,724.90 : 2,242,190.41 = 899,572.62 : x - Step 2: Convert to fraction form
1,624,724.90/2,242,190.41 = 899,572.62/x - Step 3: Cross multiply
1,624,724.90x = 2,242,190.41 × 899,572.62 - Step 4: Simplify right side
1,624,724.90x = 2,017,013,100,269.63 - Step 5: Solve for x
x = 2,017,013,100,269.63/1,624,724.90 - Step 6: Final answer
x = 1,241,449.00
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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.