Finding the Fourth Proportional to 2,769,689.36, 3,822,809.04 and 1,624,138.76
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Solution
The fourth proportional to 2,769,689.36, 3,822,809.04 and 1,624,138.76 is: 2,241,685.45
Step by Step Solution
- Step 1: Write the proportion equation
2,769,689.36 : 3,822,809.04 = 1,624,138.76 : x - Step 2: Convert to fraction form
2,769,689.36/3,822,809.04 = 1,624,138.76/x - Step 3: Cross multiply
2,769,689.36x = 3,822,809.04 × 1,624,138.76 - Step 4: Simplify right side
2,769,689.36x = 6,208,772,343,499.41 - Step 5: Solve for x
x = 6,208,772,343,499.41/2,769,689.36 - Step 6: Final answer
x = 2,241,685.45
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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.