Finding the Fourth Proportional to 7,761,804.79, 10,711,362.29 and 4,277,268.20
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Solution
The fourth proportional to 7,761,804.79, 10,711,362.29 and 4,277,268.20 is: 5,902,669.61
Step by Step Solution
- Step 1: Write the proportion equation
7,761,804.79 : 10,711,362.29 = 4,277,268.20 : x - Step 2: Convert to fraction form
7,761,804.79/10,711,362.29 = 4,277,268.20/x - Step 3: Cross multiply
7,761,804.79x = 10,711,362.29 × 4,277,268.20 - Step 4: Simplify right side
7,761,804.79x = 45,815,369,226,753.03 - Step 5: Solve for x
x = 45,815,369,226,753.03/7,761,804.79 - Step 6: Final answer
x = 5,902,669.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.