Finding the Fourth Proportional to 1,964,975.74, 2,711,638.73 and 1,105,533.94
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Solution
The fourth proportional to 1,964,975.74, 2,711,638.73 and 1,105,533.94 is: 1,525,621.20
Step by Step Solution
- Step 1: Write the proportion equation
1,964,975.74 : 2,711,638.73 = 1,105,533.94 : x - Step 2: Convert to fraction form
1,964,975.74/2,711,638.73 = 1,105,533.94/x - Step 3: Cross multiply
1,964,975.74x = 2,711,638.73 × 1,105,533.94 - Step 4: Simplify right side
1,964,975.74x = 2,997,808,629,947.63 - Step 5: Solve for x
x = 2,997,808,629,947.63/1,964,975.74 - Step 6: Final answer
x = 1,525,621.20
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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.