Finding the Fourth Proportional to 5,338,487.04, 8,007,728.58 and 2,143,612.23
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Solution
The fourth proportional to 5,338,487.04, 8,007,728.58 and 2,143,612.23 is: 3,215,417.55
Step by Step Solution
- Step 1: Write the proportion equation
5,338,487.04 : 8,007,728.58 = 2,143,612.23 : x - Step 2: Convert to fraction form
5,338,487.04/8,007,728.58 = 2,143,612.23/x - Step 3: Cross multiply
5,338,487.04x = 8,007,728.58 × 2,143,612.23 - Step 4: Simplify right side
5,338,487.04x = 17,165,464,918,608.53 - Step 5: Solve for x
x = 17,165,464,918,608.53/5,338,487.04 - Step 6: Final answer
x = 3,215,417.55
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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.