Finding the Fourth Proportional to 5,878,369.10, 8,111,701.49 and 3,299,551.65
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Solution
The fourth proportional to 5,878,369.10, 8,111,701.49 and 3,299,551.65 is: 4,553,129.89
Step by Step Solution
- Step 1: Write the proportion equation
5,878,369.10 : 8,111,701.49 = 3,299,551.65 : x - Step 2: Convert to fraction form
5,878,369.10/8,111,701.49 = 3,299,551.65/x - Step 3: Cross multiply
5,878,369.10x = 8,111,701.49 × 3,299,551.65 - Step 4: Simplify right side
5,878,369.10x = 26,764,978,035,636.96 - Step 5: Solve for x
x = 26,764,978,035,636.96/5,878,369.10 - Step 6: Final answer
x = 4,553,129.89
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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.