Finding the Fourth Proportional to 4,873,081.64, 6,724,905.84 and 2,697,661.10
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Solution
The fourth proportional to 4,873,081.64, 6,724,905.84 and 2,697,661.10 is: 3,722,801.76
Step by Step Solution
- Step 1: Write the proportion equation
4,873,081.64 : 6,724,905.84 = 2,697,661.10 : x - Step 2: Convert to fraction form
4,873,081.64/6,724,905.84 = 2,697,661.10/x - Step 3: Cross multiply
4,873,081.64x = 6,724,905.84 × 2,697,661.10 - Step 4: Simplify right side
4,873,081.64x = 18,141,516,902,543.09 - Step 5: Solve for x
x = 18,141,516,902,543.09/4,873,081.64 - Step 6: Final answer
x = 3,722,801.76
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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.