Finding the Fourth Proportional to 7,151,867.75, 10,734,543.86 and 2,607,309.02
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Solution
The fourth proportional to 7,151,867.75, 10,734,543.86 and 2,607,309.02 is: 3,913,421.50
Step by Step Solution
- Step 1: Write the proportion equation
7,151,867.75 : 10,734,543.86 = 2,607,309.02 : x - Step 2: Convert to fraction form
7,151,867.75/10,734,543.86 = 2,607,309.02/x - Step 3: Cross multiply
7,151,867.75x = 10,734,543.86 × 2,607,309.02 - Step 4: Simplify right side
7,151,867.75x = 27,988,272,965,054.36 - Step 5: Solve for x
x = 27,988,272,965,054.36/7,151,867.75 - Step 6: Final answer
x = 3,913,421.50
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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.