Finding the Fourth Proportional to 1,611,777.09, 2,417,665.61 and 474,539.47
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Solution
The fourth proportional to 1,611,777.09, 2,417,665.61 and 474,539.47 is: 711,809.19
Step by Step Solution
- Step 1: Write the proportion equation
1,611,777.09 : 2,417,665.61 = 474,539.47 : x - Step 2: Convert to fraction form
1,611,777.09/2,417,665.61 = 474,539.47/x - Step 3: Cross multiply
1,611,777.09x = 2,417,665.61 × 474,539.47 - Step 4: Simplify right side
1,611,777.09x = 1,147,277,749,679.53 - Step 5: Solve for x
x = 1,147,277,749,679.53/1,611,777.09 - Step 6: Final answer
x = 711,809.19
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1.5x scale
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.