Finding the Fourth Proportional to 4,552,116.99, 6,281,848.11 and 2,487,088.20
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Solution
The fourth proportional to 4,552,116.99, 6,281,848.11 and 2,487,088.20 is: 3,432,141.65
Step by Step Solution
- Step 1: Write the proportion equation
4,552,116.99 : 6,281,848.11 = 2,487,088.20 : x - Step 2: Convert to fraction form
4,552,116.99/6,281,848.11 = 2,487,088.20/x - Step 3: Cross multiply
4,552,116.99x = 6,281,848.11 × 2,487,088.20 - Step 4: Simplify right side
4,552,116.99x = 15,623,510,308,573.30 - Step 5: Solve for x
x = 15,623,510,308,573.30/4,552,116.99 - Step 6: Final answer
x = 3,432,141.65
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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.