Finding the Fourth Proportional to 4,831,854.12, 6,667,416.90 and 2,898,193.32
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Solution
The fourth proportional to 4,831,854.12, 6,667,416.90 and 2,898,193.32 is: 3,999,181.81
Step by Step Solution
- Step 1: Write the proportion equation
4,831,854.12 : 6,667,416.90 = 2,898,193.32 : x - Step 2: Convert to fraction form
4,831,854.12/6,667,416.90 = 2,898,193.32/x - Step 3: Cross multiply
4,831,854.12x = 6,667,416.90 × 2,898,193.32 - Step 4: Simplify right side
4,831,854.12x = 19,323,463,121,235.11 - Step 5: Solve for x
x = 19,323,463,121,235.11/4,831,854.12 - Step 6: Final answer
x = 3,999,181.81
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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.