Finding the Fourth Proportional to 4,365,343.77, 6,513,875.21 and 3,911,440.83
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Solution
The fourth proportional to 4,365,343.77, 6,513,875.21 and 3,911,440.83 is: 5,836,570.68
Step by Step Solution
- Step 1: Write the proportion equation
4,365,343.77 : 6,513,875.21 = 3,911,440.83 : x - Step 2: Convert to fraction form
4,365,343.77/6,513,875.21 = 3,911,440.83/x - Step 3: Cross multiply
4,365,343.77x = 6,513,875.21 × 3,911,440.83 - Step 4: Simplify right side
4,365,343.77x = 25,478,637,438,361.62 - Step 5: Solve for x
x = 25,478,637,438,361.62/4,365,343.77 - Step 6: Final answer
x = 5,836,570.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.