Finding the Fourth Proportional to 2,109,048.28, 2,907,351.35 and 1,655,551.96
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Solution
The fourth proportional to 2,109,048.28, 2,907,351.35 and 1,655,551.96 is: 2,282,200.59
Step by Step Solution
- Step 1: Write the proportion equation
2,109,048.28 : 2,907,351.35 = 1,655,551.96 : x - Step 2: Convert to fraction form
2,109,048.28/2,907,351.35 = 1,655,551.96/x - Step 3: Cross multiply
2,109,048.28x = 2,907,351.35 × 1,655,551.96 - Step 4: Simplify right side
2,109,048.28x = 4,813,271,224,891.76 - Step 5: Solve for x
x = 4,813,271,224,891.76/2,109,048.28 - Step 6: Final answer
x = 2,282,200.59
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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.