Finding the Fourth Proportional to 3,564,643.20, 5,346,964.80 and 2,724,835.20
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Solution
The fourth proportional to 3,564,643.20, 5,346,964.80 and 2,724,835.20 is: 4,087,252.80
Step by Step Solution
- Step 1: Write the proportion equation
3,564,643.20 : 5,346,964.80 = 2,724,835.20 : x - Step 2: Convert to fraction form
3,564,643.20/5,346,964.80 = 2,724,835.20/x - Step 3: Cross multiply
3,564,643.20x = 5,346,964.80 × 2,724,835.20 - Step 4: Simplify right side
3,564,643.20x = 14,569,597,900,200.96 - Step 5: Solve for x
x = 14,569,597,900,200.96/3,564,643.20 - Step 6: Final answer
x = 4,087,252.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.