Finding the Fourth Proportional to 5,246,115.12, 7,869,128.94 and 1,459,587.06
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Solution
The fourth proportional to 5,246,115.12, 7,869,128.94 and 1,459,587.06 is: 2,189,368.42
Step by Step Solution
- Step 1: Write the proportion equation
5,246,115.12 : 7,869,128.94 = 1,459,587.06 : x - Step 2: Convert to fraction form
5,246,115.12/7,869,128.94 = 1,459,587.06/x - Step 3: Cross multiply
5,246,115.12x = 7,869,128.94 × 1,459,587.06 - Step 4: Simplify right side
5,246,115.12x = 11,485,678,774,295.52 - Step 5: Solve for x
x = 11,485,678,774,295.52/5,246,115.12 - Step 6: Final answer
x = 2,189,368.42
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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.