Finding the Fourth Proportional to 4,713,919.35, 7,067,985.24 and 1,831,921.09
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Solution
The fourth proportional to 4,713,919.35, 7,067,985.24 and 1,831,921.09 is: 2,746,757.05
Step by Step Solution
- Step 1: Write the proportion equation
4,713,919.35 : 7,067,985.24 = 1,831,921.09 : x - Step 2: Convert to fraction form
4,713,919.35/7,067,985.24 = 1,831,921.09/x - Step 3: Cross multiply
4,713,919.35x = 7,067,985.24 × 1,831,921.09 - Step 4: Simplify right side
4,713,919.35x = 12,947,991,214,164.45 - Step 5: Solve for x
x = 12,947,991,214,164.45/4,713,919.35 - Step 6: Final answer
x = 2,746,757.05
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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.