Finding the Fourth Proportional to 4,108,972.74, 6,164,299.75 and 1,412,947.81
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Solution
The fourth proportional to 4,108,972.74, 6,164,299.75 and 1,412,947.81 is: 2,119,710.79
Step by Step Solution
- Step 1: Write the proportion equation
4,108,972.74 : 6,164,299.75 = 1,412,947.81 : x - Step 2: Convert to fraction form
4,108,972.74/6,164,299.75 = 1,412,947.81/x - Step 3: Cross multiply
4,108,972.74x = 6,164,299.75 × 1,412,947.81 - Step 4: Simplify right side
4,108,972.74x = 8,709,833,838,768.33 - Step 5: Solve for x
x = 8,709,833,838,768.33/4,108,972.74 - Step 6: Final answer
x = 2,119,710.79
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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.