Finding the Fourth Proportional to 2,769,691.95, 3,822,812.61 and 1,624,141.35
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Solution
The fourth proportional to 2,769,691.95, 3,822,812.61 and 1,624,141.35 is: 2,241,689.02
Step by Step Solution
- Step 1: Write the proportion equation
2,769,691.95 : 3,822,812.61 = 1,624,141.35 : x - Step 2: Convert to fraction form
2,769,691.95/3,822,812.61 = 1,624,141.35/x - Step 3: Cross multiply
2,769,691.95x = 3,822,812.61 × 1,624,141.35 - Step 4: Simplify right side
2,769,691.95x = 6,208,788,033,202.42 - Step 5: Solve for x
x = 6,208,788,033,202.42/2,769,691.95 - Step 6: Final answer
x = 2,241,689.02
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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.