Finding the Fourth Proportional to 2,630,772.84, 3,630,477.46 and 1,423,548.84
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Solution
The fourth proportional to 2,630,772.84, 3,630,477.46 and 1,423,548.84 is: 1,964,503.32
Step by Step Solution
- Step 1: Write the proportion equation
2,630,772.84 : 3,630,477.46 = 1,423,548.84 : x - Step 2: Convert to fraction form
2,630,772.84/3,630,477.46 = 1,423,548.84/x - Step 3: Cross multiply
2,630,772.84x = 3,630,477.46 × 1,423,548.84 - Step 4: Simplify right side
2,630,772.84x = 5,168,161,989,553.72 - Step 5: Solve for x
x = 5,168,161,989,553.72/2,630,772.84 - Step 6: Final answer
x = 1,964,503.32
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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.