Finding the Fourth Proportional to 1,984,775.04, 2,975,815.20 and 1,009,742.97
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Solution
The fourth proportional to 1,984,775.04, 2,975,815.20 and 1,009,742.97 is: 1,513,928.99
Step by Step Solution
- Step 1: Write the proportion equation
1,984,775.04 : 2,975,815.20 = 1,009,742.97 : x - Step 2: Convert to fraction form
1,984,775.04/2,975,815.20 = 1,009,742.97/x - Step 3: Cross multiply
1,984,775.04x = 2,975,815.20 × 1,009,742.97 - Step 4: Simplify right side
1,984,775.04x = 3,004,808,478,219.14 - Step 5: Solve for x
x = 3,004,808,478,219.14/1,984,775.04 - Step 6: Final answer
x = 1,513,928.99
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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.