Finding the Fourth Proportional to 2,195,348.36, 3,029,707.70 and 1,228,470.20
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Solution
The fourth proportional to 2,195,348.36, 3,029,707.70 and 1,228,470.20 is: 1,695,359.92
Step by Step Solution
- Step 1: Write the proportion equation
2,195,348.36 : 3,029,707.70 = 1,228,470.20 : x - Step 2: Convert to fraction form
2,195,348.36/3,029,707.70 = 1,228,470.20/x - Step 3: Cross multiply
2,195,348.36x = 3,029,707.70 × 1,228,470.20 - Step 4: Simplify right side
2,195,348.36x = 3,721,905,624,160.54 - Step 5: Solve for x
x = 3,721,905,624,160.54/2,195,348.36 - Step 6: Final answer
x = 1,695,359.92
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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.