Finding the Fourth Proportional to 1,564,220.81, 2,158,624.72 and 848,828.81
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Solution
The fourth proportional to 1,564,220.81, 2,158,624.72 and 848,828.81 is: 1,171,383.76
Step by Step Solution
- Step 1: Write the proportion equation
1,564,220.81 : 2,158,624.72 = 848,828.81 : x - Step 2: Convert to fraction form
1,564,220.81/2,158,624.72 = 848,828.81/x - Step 3: Cross multiply
1,564,220.81x = 2,158,624.72 × 848,828.81 - Step 4: Simplify right side
1,564,220.81x = 1,832,302,858,771.78 - Step 5: Solve for x
x = 1,832,302,858,771.78/1,564,220.81 - Step 6: Final answer
x = 1,171,383.76
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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.