Finding the Fourth Proportional to 4,539,025.08, 6,809,548.50 and 1,980,653.04
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Solution
The fourth proportional to 4,539,025.08, 6,809,548.50 and 1,980,653.04 is: 2,971,420.67
Step by Step Solution
- Step 1: Write the proportion equation
4,539,025.08 : 6,809,548.50 = 1,980,653.04 : x - Step 2: Convert to fraction form
4,539,025.08/6,809,548.50 = 1,980,653.04/x - Step 3: Cross multiply
4,539,025.08x = 6,809,548.50 × 1,980,653.04 - Step 4: Simplify right side
4,539,025.08x = 13,487,352,937,552.44 - Step 5: Solve for x
x = 13,487,352,937,552.44/4,539,025.08 - Step 6: Final answer
x = 2,971,420.67
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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.