Finding the Fourth Proportional to 1,624,979.85, 2,242,444.68 and 899,812.05
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Solution
The fourth proportional to 1,624,979.85, 2,242,444.68 and 899,812.05 is: 1,241,725.39
Step by Step Solution
- Step 1: Write the proportion equation
1,624,979.85 : 2,242,444.68 = 899,812.05 : x - Step 2: Convert to fraction form
1,624,979.85/2,242,444.68 = 899,812.05/x - Step 3: Cross multiply
1,624,979.85x = 2,242,444.68 × 899,812.05 - Step 4: Simplify right side
1,624,979.85x = 2,017,778,744,522.39 - Step 5: Solve for x
x = 2,017,778,744,522.39/1,624,979.85 - Step 6: Final answer
x = 1,241,725.39
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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.