Finding the Fourth Proportional to 4,153,215.20, 6,230,989.20 and 2,023,368.80
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Solution
The fourth proportional to 4,153,215.20, 6,230,989.20 and 2,023,368.80 is: 3,035,621.45
Step by Step Solution
- Step 1: Write the proportion equation
4,153,215.20 : 6,230,989.20 = 2,023,368.80 : x - Step 2: Convert to fraction form
4,153,215.20/6,230,989.20 = 2,023,368.80/x - Step 3: Cross multiply
4,153,215.20x = 6,230,989.20 × 2,023,368.80 - Step 4: Simplify right side
4,153,215.20x = 12,607,589,140,416.96 - Step 5: Solve for x
x = 12,607,589,140,416.96/4,153,215.20 - Step 6: Final answer
x = 3,035,621.45
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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.