Finding the Fourth Proportional to 4,870,362.06, 6,721,056.35 and 2,910,133.68
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Solution
The fourth proportional to 4,870,362.06, 6,721,056.35 and 2,910,133.68 is: 4,015,958.61
Step by Step Solution
- Step 1: Write the proportion equation
4,870,362.06 : 6,721,056.35 = 2,910,133.68 : x - Step 2: Convert to fraction form
4,870,362.06/6,721,056.35 = 2,910,133.68/x - Step 3: Cross multiply
4,870,362.06x = 6,721,056.35 × 2,910,133.68 - Step 4: Simplify right side
4,870,362.06x = 19,559,172,451,564.84 - Step 5: Solve for x
x = 19,559,172,451,564.84/4,870,362.06 - Step 6: Final answer
x = 4,015,958.61
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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.