Finding the Fourth Proportional to 6,824,808.12, 10,243,509.78 and 3,461,377.08
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Solution
The fourth proportional to 6,824,808.12, 10,243,509.78 and 3,461,377.08 is: 5,195,259.61
Step by Step Solution
- Step 1: Write the proportion equation
6,824,808.12 : 10,243,509.78 = 3,461,377.08 : x - Step 2: Convert to fraction form
6,824,808.12/10,243,509.78 = 3,461,377.08/x - Step 3: Cross multiply
6,824,808.12x = 10,243,509.78 × 3,461,377.08 - Step 4: Simplify right side
6,824,808.12x = 35,456,649,971,247.84 - Step 5: Solve for x
x = 35,456,649,971,247.84/6,824,808.12 - Step 6: Final answer
x = 5,195,259.61
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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.