Finding the Fourth Proportional to 2,553,576.84, 3,523,960.68 and 1,407,698.28
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Solution
The fourth proportional to 2,553,576.84, 3,523,960.68 and 1,407,698.28 is: 1,942,637.21
Step by Step Solution
- Step 1: Write the proportion equation
2,553,576.84 : 3,523,960.68 = 1,407,698.28 : x - Step 2: Convert to fraction form
2,553,576.84/3,523,960.68 = 1,407,698.28/x - Step 3: Cross multiply
2,553,576.84x = 3,523,960.68 × 1,407,698.28 - Step 4: Simplify right side
2,553,576.84x = 4,960,673,388,023.63 - Step 5: Solve for x
x = 4,960,673,388,023.63/2,553,576.84 - Step 6: Final answer
x = 1,942,637.21
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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.