Finding the Fourth Proportional to 5,448,032.20, 8,157,302.70 and 4,268,384.20
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Solution
The fourth proportional to 5,448,032.20, 8,157,302.70 and 4,268,384.20 is: 6,391,023.53
Step by Step Solution
- Step 1: Write the proportion equation
5,448,032.20 : 8,157,302.70 = 4,268,384.20 : x - Step 2: Convert to fraction form
5,448,032.20/8,157,302.70 = 4,268,384.20/x - Step 3: Cross multiply
5,448,032.20x = 8,157,302.70 × 4,268,384.20 - Step 4: Simplify right side
5,448,032.20x = 34,818,501,959,297.34 - Step 5: Solve for x
x = 34,818,501,959,297.34/5,448,032.20 - Step 6: Final answer
x = 6,391,023.53
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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.