Finding the Fourth Proportional to 4,417,261.17, 6,626,039.99 and 1,222,119.78
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Solution
The fourth proportional to 4,417,261.17, 6,626,039.99 and 1,222,119.78 is: 1,833,220.68
Step by Step Solution
- Step 1: Write the proportion equation
4,417,261.17 : 6,626,039.99 = 1,222,119.78 : x - Step 2: Convert to fraction form
4,417,261.17/6,626,039.99 = 1,222,119.78/x - Step 3: Cross multiply
4,417,261.17x = 6,626,039.99 × 1,222,119.78 - Step 4: Simplify right side
4,417,261.17x = 8,097,814,528,739.40 - Step 5: Solve for x
x = 8,097,814,528,739.40/4,417,261.17 - Step 6: Final answer
x = 1,833,220.68
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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.