Finding the Fourth Proportional to 1,624,964.53, 2,242,449.64 and 899,812.21
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Solution
The fourth proportional to 1,624,964.53, 2,242,449.64 and 899,812.21 is: 1,241,740.07
Step by Step Solution
- Step 1: Write the proportion equation
1,624,964.53 : 2,242,449.64 = 899,812.21 : x - Step 2: Convert to fraction form
1,624,964.53/2,242,449.64 = 899,812.21/x - Step 3: Cross multiply
1,624,964.53x = 2,242,449.64 × 899,812.21 - Step 4: Simplify right side
1,624,964.53x = 2,017,783,566,382.10 - Step 5: Solve for x
x = 2,017,783,566,382.10/1,624,964.53 - Step 6: Final answer
x = 1,241,740.07
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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.