Finding the Fourth Proportional to 3,219,760.86, 4,831,855.71 and 1,326,502.26
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Solution
The fourth proportional to 3,219,760.86, 4,831,855.71 and 1,326,502.26 is: 1,990,665.70
Step by Step Solution
- Step 1: Write the proportion equation
3,219,760.86 : 4,831,855.71 = 1,326,502.26 : x - Step 2: Convert to fraction form
3,219,760.86/4,831,855.71 = 1,326,502.26/x - Step 3: Cross multiply
3,219,760.86x = 4,831,855.71 × 1,326,502.26 - Step 4: Simplify right side
3,219,760.86x = 6,409,467,519,308.90 - Step 5: Solve for x
x = 6,409,467,519,308.90/3,219,760.86 - Step 6: Final answer
x = 1,990,665.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.